BOSE QUIETCOMFORT 35 User Guide

June 7, 2024
Bose

QUIETCOMFORT 35

Owner’s Guide
QUIETCOMFORT® 35 II
NOISE CANCELLING

IMPORTANT SAFETY INSTRUCTIONS
Please read and keep all safety, security, and use instructions.
Bose Corporation hereby declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements. The complete declaration of conformity can be found at: www.Bose.com/compliance WARNINGS/CAUTIONS · Do NOT use the headphones at a high volume for any extended period. ­ To avoid hearing damage, use your headphones at a comfortable, moderate volume level. ­ Turn the volume down on your device before placing the headphones in/on your ears, then turn the volume up gradually until you reach a comfortable listening level. · Do NOT use your headphones while driving for phone calls or any other purpose. · Do NOT use the headphones with noise cancelling on at any time the inability to hear surrounding sounds may present a danger to yourself or others, e.g., while riding a bicycle or walking in or near traffic, a construction site or railroad, etc. ­ Remove the headphones, or use the headphones with noise cancelling off and adjust your volume, to ensure you can hear surrounding sounds, including alarms and warning signals. ­ Be aware of how sounds that you rely on as reminders or warnings may vary in character when using the headphones. · Do NOT use the headphones if they emit any loud unusual noise. If this happens, turn the headphones off and contact Bose customer service. · Remove headphones immediately if you experience a warming sensation or loss of audio. · Do NOT use mobile phone adapters to connect headphones to airplane seat jacks, as this could result in injury or property damage due to overheating. · Do NOT use the headphones as aviation communication headsets. Contains small parts which may be a choking hazard. Not suitable for children under age 3.
This product contains magnetic material. Consult your physician on whether this might affect your implantable medical device. · To reduce the risk of fire or electrical shock, do NOT expose this product to rain, liquids or moisture. · Do NOT make unauthorized alterations to this product. · Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, CCC). · Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
2 – ENGLISH

REGULATORY AND LEGAL INFORMATION
NOTE:This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. · Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved by Bose Corporation could void the user’s authority to operate this equipment. This device complies with part 15 of the FCC Rules and with ISED Canada license- exempt RSS standard(s). Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This device complies with FCC and ISED Canada radiation exposure limits set forth for general population. It must not be co-located or operating in conjunction with any other antenna or transmitter. Meets IMDA Requirements. CAN ICES-3(B)/NMB-3(B)
Management Regulation for Low-power Radio-frequency Devices Article XII According to “Management Regulation for Low-power Radio-frequency Devices” without permission granted by the NCC, any company, enterprise, or user is not allowed to change frequency, enhance transmitting power or alter original characteristic as well as performance to an approved low power radio-frequency devices. Article XIV The low power radio-frequency devices shall not influence aircraft security and interfere legal communications; If found, the user shall cease operating immediately until no interference is achieved. The said legal communications means radio communications operated in compliance with the Telecommunications Act. The low power radio-frequency devices must be susceptible with the interference from legal communications or ISM radio wave radiated devices. DON’T attempt to remove the rechargeable lithium-ion battery from this product. Contact your local Bose retailer or other qualified professional for removal. For Europe: Frequency band of operation 2400 to 2483.5 MHz. Maximum transmit power less than 20 dBm EIRP. Maximum transmit power is below regulatory limits such that SAR testing is not necessary and exempt per applicable regulations.
Please dispose of used batteries properly, following local regulations. Do not incinerate.
ENGLISH – 3

REGULATORY AND LEGAL INFORMATION
This symbol means the product must not be discarded as household waste, and should be delivered to an appropriate collection facility for recycling. Proper disposal and recycling helps protect natural resources, human health and the environment. For more information on disposal and recycling of this product, contact your local municipality, disposal service, or the shop where you bought this product.
Removal of the rechargeable lithium ion battery in this product should be conducted only by a qualified professional. Please contact your local Bose retailer or see https://www.bose.com/compliance for further information.

Names and Contents of Toxic or Hazardous Substances or Elements

Toxic or Hazardous Substances and Elements

Part Name

Lead Mercury (Pb) (Hg)

Cadmium (Cd)

Hexavalent (CR(VI))

Polybrominated Biphenyl (PBB)

PCBs

X

O

O

O

O

Metal Parts

X

O

O

O

O

Plastic Parts

O

O

O

O

O

Speaker

X

O

O

O

O

Cables

X

O

O

O

O

This table is prepared in accordance with the provisions of SJ/T 11364.

O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement of GB/T 26572.

Polybrominated diphenylether
(PBDE)
O
O
O
O
O

X: Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement of GB/T 26572.

Date of Manufacture: The eighth digit in the serial number indicates the year of manufacture; “0” is 2010 or 2020.
China Importer: Bose Electronics (Shanghai) Company Limited, Part C, Plant 9, No. 353 North Riying Road, China (Shanghai) Pilot Free Trade Zone
EU Importer: Bose Products B.V., Gorslaan 60, 1441 RG Purmerend, The Netherlands
Taiwan Importer: Bose Taiwan Branch, 9F-A1, No. 10, Section 3, Minsheng East Road, Taipei City 104, Taiwan Phone Number: +886-2-2514 7676
Mexico Importer: Bose de México, S. de R.L. de C.V., Paseo de las Palmas 405-204, Lomas de Chapultepec, 11000 México, D.F. Phone Number: +5255 (5202) 3545
Charging temperature range: 32° F ­ 113° F (0° C ­ 45° C)
Discharging temperature range: -4° F ­ 140° F (-20° C ­ 60° C)
The CMIIT ID is located on the inside surface of the left earcup.

4 – ENGLISH

REGULATORY AND LEGAL INFORMATION Security Information
This product is capable of receiving security updates from Bose automatically when connected to the Bose Connect app. In order to receive security updates via the mobile application, you must complete the product setup process in the Bose Connect app. If you do not complete the setup process, you will be responsible for installing security updates that Bose makes available via btu.bose.com Apple, the Apple logo, iPad, iPhone, and iPod are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. The trademark “iPhone” is used with a license from Aiphone K.K. Use of the Made for Apple badge means that an accessory has been designed to connect specifically to the Apple product(s) identified in the badge, and has been certified by the developer to meet Apple performance standards. Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Bose Corporation is under license. Google, Android, and Google Play are trademarks of Google LLC. The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries. Bose, Bose Connect, Bose Home Speaker, Bose Music, Bose Portable Home Speaker, Bose Smart Soundbar, Bose Solo Soundbar Series, Bose Soundbar, QuietComfort, and SimpleSync are trademarks of Bose Corporation. Bose Corporation Headquarters: 1-877-230-5639 ©2020 Bose Corporation. No part of this work may be reproduced, modified, distributed or otherwise used without prior written permission.
ENGLISH – 5

CONTENTS Bose® Connect App What can I do with the Bose Connect app? ………………………………………………….. 9 What’s in the Carton Contents ……………………………………………………………………………………………………………….. 10 Headphone Controls Power on ………………………………………………………………………………………………………………. 12
Standby timer ………………………………………………………………………………………………. 12 Power off ………………………………………………………………………………………………………………. 13 Headphone functions …………………………………………………………………………………………. 14
Media playback and volume functions…………………………………………………….. 14 Call functions………………………………………………………………………………………………… 15 Action button functions ……………………………………………………………………………… 16
Noise Cancellation
Noise cancelling modes……………………………………………………………………………………… 17 Change the noise cancelling mode using the Action button ……………………… 17
Voice Control
Access voice control…………………………………………………………………………………………… 18
Battery Charging
Charge the headphones …………………………………………………………………………………….. 19 Charging time……………………………………………………………………………………………….. 19 Hear the battery level …………………………………………………………………………………. 19
Status Indicators
Bluetooth® indicator …………………………………………………………………………………………… 20 Battery indicator ………………………………………………………………………………………………… 20
6 – ENGLISH

CONTENTS
Voice Prompts
Pre-installed languages ……………………………………………………………………………………… 21 Change the language …………………………………………………………………………………………. 21 Disable voice prompts ……………………………………………………………………………………….. 21
Bluetooth Connections
Connect your mobile device using the Bose® Connect app (recommended) ………………………………………………………………………………………………….. 22 Choose an alternative connection method ……………………………………………………. 23
Connect using the Bluetooth menu on your mobile device ………………… 23 Connect using NFC on your mobile device…………………………………………….. 25 Disconnect a mobile device………………………………………………………………………………. 26 Reconnect a mobile device……………………………………………………………………………….. 26
Multiple Bluetooth Connections
Connect another mobile device ……………………………………………………………………….. 27 Identify connected mobile devices………………………………………………………………….. 27 Switch between two connected mobile devices…………………………………………… 27 Reconnect a previously connected device …………………………………………………….. 28 Clear the headphone pairing list………………………………………………………………………. 28
Wired Connections
Connect the audio cable ……………………………………………………………………………………. 29
Connect Bose Products
Connect a Bose Home Speaker or Soundbar ………………………………………………… 30 Benefits………………………………………………………………………………………………………….. 30 Compatible products ………………………………………………………………………………….. 30 Connect using the Bose Music app ………………………………………………………….. 31
Reconnect to a Bose Home Speaker or Soundbar ……………………………………….. 31
ENGLISH – 7

CONTENTS Care and Maintenance Store your headphones ……………………………………………………………………………………… 32 Clean the headphones ……………………………………………………………………………………….. 33 Replacement parts and accessories………………………………………………………………… 33 Limited warranty …………………………………………………………………………………………………. 33 Serial number location……………………………………………………………………………………….. 34 Troubleshooting Common solutions ……………………………………………………………………………………………… 35
8 – ENGLISH

BOSE® CONNECT APP Download the Bose Connect app to keep your software up to date, personalize your headphone settings, easily manage Bluetooth connections and access new features.
What can I do with the Bose Connect app?
· Easily connect to and switch between multiple mobile devices with a single swipe. · Set up the Action button. · Share music with friends. · Customize your headphone experience:
– Name your headphones. – Select a voice prompt language or disable voice prompts. – Change the noise cancelling mode. – Adjust the standby timer. · Access the product tour and help. · Keep headphones up to date with the latest software.
ENGLISH – 9

WHAT’S IN THE CARTON
Contents
Confirm that the following parts are included:

Bose® QuietComfort® 35 wireless headphones II Carry case

USB cable

3.5 mm audio cable

Note: If any part of your product is damaged, do not use it. Contact your authorized Bose® dealer or Bose customer service. Visit: global.Bose.com/Support/QC35ii

10 – ENGLISH

Action button

HEADPHONE CONTROLS
Volume up button

Power/Bluetooth switch

Volume down button

Multi-function button

ENGLISH – 11

HEADPHONE CONTROLS
Power on
Slide the Power/Bluetooth switch to the right . A voice prompt announces the battery level and the battery indicator glows according to the current charge level.
Standby timer
The standby timer conserves the battery when the headphones are not being used. To set up and customize the standby timer, use the Bose® Connect app.
12 – ENGLISH

HEADPHONE CONTROLS
Power off
Slide the Power/Bluetooth switch to the left.
Note: When the headphones are powered off, noise cancellation is disabled.
ENGLISH – 13

HEADPHONE CONTROLS
Headphone functions
The headphone controls are located on the back of the right earcup.
Media playback and volume functions

Volume up Multi-function button
Volume down

Function Play/Pause Skip forward Skip backward Fast forward Rewind Volume up Volume down

What to do Press the Multi-function button . Double-press . Triple-press . Double-press and hold the second press. Triple-press and hold the third press. Press +. Press ­.

14 – ENGLISH

ENGLISH – 14

Call functions
The Multi-function button right earcup.

HEADPHONE CONTROLS and microphone are located on the back of the

Microphone

Multi-function button

Function Answer a call End a call Decline an incoming call

What to do Press . Press . Press and hold

for one second.

Answer a second incoming call While on a call, press and put the current call on hold

once.

Decline a second incoming call While on a call, press and hold and stay on current call

for one second.

Switch between two calls

With two active calls, double-press .

Create a conference call

With two active calls, press and hold for one second.

Mute/unmute a call

+ ­ While on a call, press and simultaneously.

ENGLISH – 15

HEADPHONE CONTROLS
Action button functions
The Action button allows you to quickly and easily change the noise cancelling mode. The Action button is located on the back of the left earcup.
Action button
To change the noise cancelling mode, press and release the Action button. For more information about the different noise cancellation modes, see page 17.
16 – ENGLISH

NOISE CANCELLATION
Noise cancellation reduces unwanted noise providing a clearer, more lifelike audio performance. You can choose your noise cancelling mode based on your listening preference and environment.
Noise cancelling modes

Noise cancelling mode High Low
Off

Description World-class noise cancellation with Bose® optimized audio.
Noise cancellation fine-tuned for audio listening in quieter or windy environments. Noise cancellation disabled.

Note: Each time you power on the headphones, your noise cancelling mode defaults to High.

Change the noise cancelling mode using the Action button
Press and release the Action button.
A voice prompt announces the noise cancelling mode. Continue to press and release the Action button until you reach your preferred mode.
Tip: You can also change the noise cancelling mode using the Bose Connect app.

ENGLISH – 17

VOICE CONTROL You can use the Multi-function button on your headphones to access Siri or the Google Assistant or on your mobile device. Note: You can’t access voice control while on a call.
Access voice control
Press and hold to access voice control on your mobile device. You hear a tone that indicates voice control is active.
18 – ENGLISH

BATTERY CHARGING
Charge the headphones
1. Plug the small end of the USB cable into the micro-USB connector on the right earcup.
2. Plug the other end into a USB wall charger or computer that is powered on.
Notes: · While charging, the battery indicator blinks amber. When the battery is fully charged,
the battery indicator glows green. · The headphones do not play while charging.
Charging time
Allow up to two hours to fully charge the headphones. Notes: · When connected wirelessly, a full charge powers the headphones for up to 20 hours. · When connected using the audio cable, a full charge powers the headphones for up
to 40 hours.
Hear the battery level
Each time you power on the headphones, a voice prompt announces the battery level. When the headphones are in use, you hear “Battery low, please charge now.” Note: To visually check the battery, see the indicator located on the right earcup. For
more information, see “Battery indicator” on page 20.
ENGLISH – 19

STATUS INDICATORS The Bluetooth and battery indicators are located on the right earcup.

Bluetooth indicator

Battery indicator

Bluetooth indicator

Indicator activity Blinking blue
Blinking white
Solid white (10 seconds) then powers off

System state Ready to connect Connecting Connected

Battery indicator

Indicator activity Solid green Blinking amber Solid amber Blinking red Solid red

System state Medium to full charge Charging Low charge Need to charge Charging error – contact Bose customer service

Note: If connected to an Apple device, the device displays the headphone battery level near the upper right corner of the screen and in the notification center.

20 – ENGLISH

VOICE PROMPTS

Voice prompts guide you through the Bluetooth connection process, announce the battery level and identify connected devices. You can customize voice prompts using the buttons on your headphones.
Tip: You can also easily manage voice prompt settings using the Bose® Connect app.

Pre-installed languages

The following languages are pre-installed on your headphones:

· English · Spanish · French

· German · Mandarin · Japanese

· Korean · Italian · Portuguese

· Swedish · Dutch

To check for additional languages
Additional languages may be available. To check for language updates, download the Bose Updater. Visit: btu.Bose.com

Change the language
When you power on the headphones for the first time, the voice prompts are in English. To select a different language:
+ ­ 1. Press and hold and simultaneously until you hear the voice prompt for the first language option.
+ ­ 2. Press or to move through the list of languages.
3. When you hear your language, press and hold the Multi-function button to select.
Disable voice prompts
To disable and re-enable voice prompts, use the Bose Connect app.

ENGLISH – 21

BLUETOOTH CONNECTIONS Bluetooth wireless technology lets you stream music from mobile devices such as smartphones, tablets and laptop computers. Before you can stream music from a device, you must connect the device with your headphones.
Connect your mobile device using the Bose® Connect app (recommended)
1. Power on the headphones (see page 12). 2. Download the Bose Connect app and follow the on-screen connection instructions.
Once connected, you hear “Connected to ,” and the Bluetooth indicator glows solid white.
22 – ENGLISH

BLUETOOTH CONNECTIONS
Choose an alternative connection method
You can connect your mobile device with your headphones using Bluetooth wireless technology or Near Field Communication (NFC).
Connect using the Bluetooth menu on your mobile device
1. Slide the Power/Bluetooth button to the right and hold for two seconds. You hear “Ready to connect another device” and the Bluetooth indicator blinks blue.
ENGLISH – 23

BLUETOOTH CONNECTIONS 2. On your device, enable the Bluetooth feature.
Tip: The Bluetooth feature is usually found in the Settings menu. 3. Select your headphones from the device list.
Once connected, you hear “Connected to ,” and the Bluetooth indicator glows solid white.
24 – ENGLISH

BLUETOOTH CONNECTIONS
Connect using NFC on your mobile device
What is NFC? NFC enables a Bluetooth connection by simply tapping two devices together. Refer to your device owner’s guide to see if your model supports NFC. Note: If your device supports a Bluetooth connection via NFC, you can use either
connection method. 1. With your headphones powered on, unlock your device and enable the
Bluetooth and NFC features. Refer to your device owner’s guide to learn more about these features. 2. Tap the NFC touchpoint on your device to the left underside of the headphones. Your device may prompt you to accept the Bluetooth connection.
Once connected, you hear “Connected to ,” and the Bluetooth indicator glows solid white.
ENGLISH – 25

BLUETOOTH CONNECTIONS
Disconnect a mobile device
Use the Bose® Connect app to disconnect your mobile device. Tip: You can also disconnect using the Bluetooth menu on your mobile device.
Reconnect a mobile device
When powered on, the headphones try to reconnect with the two most recently- connected devices. Note: The devices must be within range (30 ft. or 9 m) and powered on.
26 – ENGLISH

MULTIPLE BLUETOOTH CONNECTIONS You can connect additional devices to your headphones. These Bluetooth connections are controlled with the Power/Bluetooth switch . Voice prompts guide you through controlling multiple connections. Before connecting an additional mobile device, make sure this feature is enabled. Tip: You can also easily manage multiple connected devices using the
Bose® Connect app.
Connect another mobile device
You can store up to eight connected devices in the headphone pairing list, and your headphones can be actively connected to two devices at a time. To connect another device, download the Bose Connect app (see page 22) or use the Bluetooth menu on your mobile device (see page 23). Note: You can only play audio from one device at a time.
Identify connected mobile devices
Slide to and release to hear which device is currently connected.
Switch between two connected mobile devices
1. Pause audio on your first mobile device. 2. Play audio on your second mobile device.
Note: Your headphones receive phone calls from both devices, despite which device is playing audio.
ENGLISH – 27

MULTIPLE BLUETOOTH CONNECTIONS
Reconnect a previously connected device
1. Slide the Power/Bluetooth switch to the right and release to hear which device is connected.
2. Within two seconds, slide to the right and release again to connect to the next device in the headphone pairing list. Repeat until you hear the correct device name.
3. Play audio on the connected mobile device.
Clear the headphone pairing list
1. Slide to and hold for 10 seconds, until you hear “Bluetooth device list cleared. Ready to connect.”
2. Delete your headphones from the Bluetooth list on your mobile device. All devices are cleared and the headphones are ready to connect.
28 – ENGLISH

WIRED CONNECTIONS
Connect the audio cable
Use the 3.5 mm cable (provided) to connect a non-wireless device or to continue using the headphones if the battery charge is depleted. 1. Insert the cable into the connector on the right earcup.
2. Insert the other end of the cable into the connector on your device.
ENGLISH – 29

CONNECT BOSE PRODUCTS
Connect a Bose Home Speaker or Soundbar
With Bose SimpleSyncTM smart technology, you can connect the headphones to a Bose Soundbar or Bose Home Speaker for a personal listening experience.
Benefits
· Use independent volume controls on each product to lower or mute your Bose Soundbar while keeping the headphones as loud as you like.
· Hear your music clearly from the next room by connecting the headphones to your Bose Home Speaker.
Note: SimpleSyncTM smart technology has a Bluetooth range of 30 ft (9 m). Walls and construction materials can affect reception.
Compatible products
You can connect the headphones to any member of the Bose Home Speaker family. Popular compatible products include: · Bose Smart Soundbar 300 · Bose Soundbar 700 · Bose Soundbar 500 · Bose Home Speaker 500 · Bose Home Speaker 300 · Bose Portable Home Speaker New products are added periodically. For a complete list and more information, visit: worldwide.Bose.com/Support/Groups
30 – ENGLISH

CONNECT BOSE PRODUCTS
Connect using the Bose Music app
1. On the headphones, slide the Power/Bluetooth button to the right and hold for two seconds. You hear “Ready to connect another device” and the Bluetooth indicator blinks blue.
2. Use the Bose Music app to connect your headphones to a compatible Bose product. For more information, visit: worldwide.Bose.com/Support/Groups
Notes: · Make sure that the headphones are within 30 ft (9 m) of your soundbar or speaker. · You can connect your headphones to only one product at a time.
Reconnect to a Bose Home Speaker or Soundbar
Power on the headphones (see page 12). The headphones try to connect to the two most recently-connected Bluetooth devices, including your soundbar or speaker. Notes: · Your soundbar or speaker must be within range (30 ft or 9 m) and powered on. · If the headphones don’t connect, see “Reconnect a previously connected device” on
page 28.
ENGLISH – 31

CARE AND MAINTENANCE
Store your headphones
The earcups rotate for easy, convenient storage. Place the headphones flat into the case. 1. Rotate both earcups inward so they lay flat.
Left earcup Right earcup 2. Fold the left earcup up toward the headband.
Notes: · Make sure to power off the headphones when not in use. · Before storing the headphones for more than a few months, make sure the battery is
fully charged.
32 – ENGLISH

CARE AND MAINTENANCE
Clean the headphones
Your headphones may require periodic cleaning. · Wipe the outside surfaces with a soft, dry cloth. · Do not allow moisture to get inside the earcups or the audio input connector.
Replacement parts and accessories
Replacement parts and accessories can be ordered through Bose customer service. Visit: global.Bose.com/QC35ii
Limited warranty
Your headphones are covered by a limited warranty. Visit our website at global.Bose.com/warranty for details of the limited warranty. To register your product, visit global.Bose.com/register for instructions. Failure to register will not affect your limited warranty rights.
ENGLISH – 33

CARE AND MAINTENANCE
Serial number location
The serial number is located beneath the right scrim in the back of the earcup. The scrim is the inner screen which covers and protects the components inside the earcup.
To view the serial number, grab the scrim at the top edge and gently peel it away. Be careful not to press down on or remove any other components inside the earcup as this could damage the headphones.

S/N: 0110010001AE

Scrim

S/N: 0110010001AE

34 – ENGLISH

TROUBLESHOOTING

Common solutions

If you experience problems with your headphones: · Check the state of the status indicators (see page 20). · Charge the battery (see page 19). · Increase the volume on your headphones, mobile device and music app. · Try connecting another mobile device (see page 27).

If you could not resolve your issue, see the table below to identify symptoms and solutions to common problems. If you are unable to resolve your issue, contact Bose customer service.

Symptom
Headphones don’t power on

Solution Charge the battery.

Headphones don’t connect with your mobile device
Headphones don’t connect using NFC

· Check the state of the status indicators (see page 20). · Disconnect the back-up audio cable. · Disconnect the USB charging cable. · On your mobile device:
– Disable the Bluetooth feature and then re-enable. – Delete your Bose® QuietComfort® 35 wireless headphones II
from the Bluetooth list on your device. Connect again. · Move your mobile device closer to the headphones and away
from any interference or obstructions. · Connect another mobile device (see page 27). · Visit global.Bose.com/Support/QC35ii to see how-to videos. · Clear the headphone pairing list (see page 28) and
connect again.
· Check the state of the status indicators (see page 20). · Make sure your device supports Bluetooth connecting via NFC. · Unlock your device and enable the Bluetooth and NFC features. · Tap the NFC touchpoint on the back of your mobile device to the
NFC touchpoint on the headphones.

ENGLISH – 35

TROUBLESHOOTING

Symptom

Solution

No sound

· Power on the headphones and charge the battery.

· Check the state of the status indicators (see page 20).

· Increase the volume on your headphones, your mobile device and music source.

· Slide the Power/Bluetooth switch to the right and release to hear the connected device. Make sure you are using the correct device.

· Move your mobile device closer to the headphones and away from any interference or obstructions.

· Use a different music source.

· Connect another mobile device (see page 27).

· If two mobile devices are connected, pause your other device first.

· If two mobile devices are connected, move the devices within range of the headphones (30 ft. or 9 m).

Poor sound quality

· Use a different music source.

· Connect another mobile device (see page 27).

· Disconnect the second device.

· Move your mobile device closer to the headphones and away from any interference or obstructions.

No sound from a device connected by the back-up audio cable

· Power on your mobile device and play music.
· Secure the ends of the back-up audio cable.
· Increase the volume on your headphones, your mobile device and music source.

· Connect another mobile device (see page 27).

Poor sound quality from a device connected by audio cable

· Secure the ends of the back-up audio cable. · Connect another mobile device (see page 27).

Battery won’t charge

· Secure the ends of the USB charging cable.

· Try another charging source.

· If your headphones have been exposed to high or low temperatures, let the headphones return to room temperature and try charging again.

Action button does not change the noise cancelling mode

· Make sure your headphones are powered on.
· Use the Bose® Connect app to change the noise cancelling mode.

36 – ENGLISH

TROUBLESHOOTING

Symptom
Headphones don’t connect with a Bose Home Speaker or Bose Soundbar
Headphones don’t reconnect to a previously-connected Bose Home Speaker or Bose Soundbar
Delayed audio when connected to a Bose Home Speaker or Bose Soundbar

Solution · Make sure the headphones are ready to connect:
Slide the Power/Bluetooth button to the right and hold for two seconds. You hear “Ready to connect another device” and the Bluetooth indicator blinks blue. · Make sure that your headphones are within 30 ft (9 m) of your speaker or soundbar. See “Reconnect a previously connected device” on page 28.
Check for available software updates by visiting btu.Bose.com or downloading the Bose Connect app.

ENGLISH – 37

©2020 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM795754 Rev. 05

References

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>

Related Manuals