Boston Acoustics TW1 True Wireless Earbuds User Guide

: June 6, 2024
: Boston Acoustics

Table of Contents

Boston Acoustics TW1
What’s in Box?
Product overview
Warning
FAQ
FCC Compliance Statement
IC ID Statement
Need help?
Read User Manual Online (PDF format)
Download This Manual (PDF format)

USER GUIDE

True Wireless Earbuds

Boston Acoustics TW1

Specification :
Active Noise cancellation : -25db
Bluetooth Version : Bluetooth V5.0
Bluetooth Mode : A2DP / AVRCP / HFP / HSP
Operating range : 10 meters
Ear buds Battery : 40mah* 2
Charging box battery : 320mah
Talk / Music / Play time : 3.5 hours
Back Power : 3
Times Charging Port : Type-c / Wireless Charging
Waterproof Standard: IPX4

What’s in Box?

Product overview

The battery power≥20%， the white light is on
The battery power＜20%, the orange light is on

Pair New Device

Bluetooth name: “Boston Acoustics TW1”

Auto Pair Mode

P airing Mode

Auto Power on

Auto Power off

Power On

Power Off

Play/Pause

Track Forward

Track back

Answer/End

Reject call: left side or right side Long press for 2 seconds
Hang up: left side or right side Long press for 2 seconds

Mode Switch

Game Mode

Voice Assistant Enabled

Charge Earbuds

Charge Case

Warning

To avoid causing harm：

When the product is obviously damaged, please stop using it.
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.
Be careful and follow applicable laws regarding mobile phone and headphone use if using the headphones for phone calls while driving. DO NOT use the earphone for any other purpose while driving.
Contains small parts which may be a choking hazard.
Not suitable for children under 3 years old.
Please keep away from pacemakers or other magnetic goods which are susceptible to magnetic ﬁelds, especially medical supplies. This product contains magnetic material. Consult your physician on whether this might aﬀect your implantable medical device.
Do not use the earphone at any time the inability to hear surrounding sounds may present a danger to yourself or others, such as near traﬃc, construction site or railroad, etc.Listen to audio at excessive volumes can cause permanent hearing damage.
Use as low volume as possible.

Over exposure to excessive sound levels can damage your ears resulting in permanent noise induced hearing loss(NIHL). Please use the following guidelines established by the Occupational Safety Health Administration (OSHA) on maximum time exposure to sound pressure levels before hearing damage occurs.

90dB SPL	95dB SPL	100dB SPL	105dB SPL
At 8 hours	At 4 hours	At 2 hours	At 1 hour
110dB SPL	115dB SPL	120dB SPL
At half hour	At 15 minutes	Avoid or damage may occur

Other Notes：

Do not modify the transmission frequency and increase the transmission power (including the additional radio services during use; if any interference is found, stop using it immediately and take measures to eliminate interference before continuing to use.
The use of micro power radio equipment must endure interference from various radio services or radiated interference from industrial, scientiﬁc and medical equipment.

To protect your earphone:

Do not place the earphone in a location exposed to moisture, dust, fumes, steam, or direct sunlight.
Do not place heavy objects or exert pressure on the machine, otherwise it may cause deformation in long-term storage.
Do not over impact the earphone.
Do not use this earphone in wet places or in bad weather such as rain and snow.
Do not disassemble or repair the earbuds by yourself.
Do not use chemical to scrub the product.
Adult supervision is required for children under 6 years old.

Waterproof Tips：

Product model	Waterproof level	Water contact in daily use

Splash

| Swim
| Wet Cleaning
| Maritime sports
such as diving

ANC Pods| Live waterproof| YES| NO| NO| NO

Statements：

Any use that not speciﬁed in the instructions is considered to be a misuse of the product; The product manufacturer does not bear any liability for losses caused by incorrect use or other man-made negligence.

FAQ

Earbuds can’t connect to device：
Please check the following steps
• Whether the device’s Bluetooth is turned on.
• Whether the earbud is connected to another device. At this time, you will not be able to ﬁnd the earbud on the Bluetooth of the new device. Turn oﬀ the Bluetooth of the connected device or stay away.
Put the earbud back into the charging case and take out it, you will enter the pairing mode.
Only single earbud connected to the device：
Put the earbuds back to charging case, take it again and test whether interconnected successfully.
Check whether the power of the earbuds is suﬃcient.
If the power of the earbuds is too low, it will automatically shut down. At this time, it should be put back into the charging case for charging.
Interrupt the connection during use：
It may be in an area where Bluetooth signal interference is strong. Please try the following steps
• Turn oﬀ the earbud and re-pair.
After the earbud is disconnected from the device, it will automatically search for pairing again. If it fails to connect again, try restarting the earbud.
• Sometimes it may be necessary to forget the earbud in Bluetooth list of the device and then connect Bluetooth again.
ANC don’t have signiﬁcant eﬀect：
Active noise cancellation earbuds will achieve better noise cancellation eﬀect in the closed ear canal, please check if it ﬁts snugly
How to ﬁt:
• Choose the right size of ear tips , it is better to have obvious closed feeling after wearing.
• After inserting the earbud into the ear, rotate to adjusting position to the appropriate depth, and at the same time, pull the ear slightly up to make the earbud deeper into the ear canal.
Many people have diﬀerent size ear canal. Maybe you need to wear diﬀerent sizes of ear tips for the left and right ears.
Handling of abnormal problems：
If there is an accidental disconnection /restart/no-sound during use, can’t ﬁnding the cause after investigation, please try the following steps to restart
• Turn oﬀ the Bluetooth function of the device.
• Put the earbud in the charging case and close the case.
• Turn on the Bluetooth function of the device.
• Take oﬀ the earbud and pair it again.

FCC Compliance Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.
Warning: Changes or modiﬁcations not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
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.

RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

IC ID Statement

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

this device may not cause interference, and
this device must accept any interference, including interference that may cause undesired operation of the device.”