Shenzhen Bofan Technology F8 Wireless Earphones with Noise Reduction User Manual

Shenzhen Bofan Technology F8 Wireless Earphones with Noise Reduction

For the Firs1 Use

1. Open the cover of the charger box, the earphones will s witch on automatically.The blue light on the earphones flashes quickly, after a beep, the unit enters pairing mode.
2. Turn on the Bluetooth function of your mobile phone or other smart of device. Find “F8”, click “Pairing” to connect and star using.

For the Second Use

Auto-Disconnect
Insert the earbuds into the charging box and close the cover, the Bluetooth connection will be automatically disconnected.
Auto-Reconnect
For the second use, simply open the charger box and the earphones are automatically connected to the previously paired smart phone or device, allowing you to use them quickly.

Working Status of the Charging Box

Before first use, please place lhe earphones in the charging box end connect the TYPE-C cable to charge the charging box and the earphones.

Charging indicator

1. Charge the earphone&: Place the earphones in the charging box, close the cover and the eaq,hone1 will automatically start charging. True corresponding {UR) b,ltery indicators will flash until the earphones ar• fully charged. When fully chargad, the {L/R) battery indicators stop flashing and tho blue indicator lights for 15 seconds and then 1urns of.
2. Charge Iha charging box: Plug Iha charger cable into the TYPE-C interface, the charger box w ll automatically start charging. The LED display Bc:rain will gradually i show 0-100% of the battery at.ah.ls until charging ia completely.

Note : Whan the earphone are placed in the charging box, please lay them flat and make sure that ara in plac1:1 before closing the cover to avoid poor contact between the headset and the charging probe, which can lead to charging errors or damage to the earphones.

Definition of key operation

• Click once
• (Incoming calls) answer the call
• (Speaking) hang up calls
• (music) Play/Pause
• Double click
• (Music) Left ear: volume down
• (Music) Right ear: Volume up
• (Incoming calls) reject call
• Press and hold
• 3 seconds: manual power on
• 6 seconds: manual power off
• Press and hold for 2 seconds:
• Switch between ANC ON/Transparency
• mode ON/ANC OFF in cycle
• Click three times while playing
• Left ear: the previous song
• Right ear: the next song
• Click three times in
• the music pause status
• to activate SIRI

Low battery prompt

There would be a reminder of the voice “Battery low, please recharge”
every 20 seconds if the battery was only sufficient for 5 minutes.

Headphone status indicator

• Recharge
• Fully Charged
• Pairing
• Pairing succeed
• Red Indicator On
• Blue Indicator On_
• Blue Indicator Flashing
• Green and blue indicators go off

Charging indicator of the charging box

During the charging process of the charging box, the Battery status display in percentage

Charge the charging box: Plug the charging cable into the TYPE-C interface of the charging boOx, the LED display of the charging box shows the battery level from 1 to 100% until it is fully charged. Charge the mobile phone using the charging box: Connect the mobile phone to the USB-A interface of the charging box using a charging cable. During charging, the LED indicator grids decrease from 100%, indicating the battery status until the phone is fully charged.

Warning

Correct Wearing Method:

Warning Wearing Method

Basic Parameters

• Size: each (27″-23″23mm)
• Weight each (5.bg)
• Bluetooth version: 5.0
• Working frequency: 2.402GHz-2.480GHz
• Battery capacity of the earphones.: 50mAn
• Capacity of the charging box battery: 2200mAH
• Charging uime of the charging bOx: 2.5 hours
• Charging time tor earplugs: 1.5 hours
• ANG noise suppression band: 20Hz-5KHz
• ANC noise reduction depth: 25dB3
• ANC Noise Reduction Category: ANC-FB Feed forward noise reduction
• Music playing time: 5 hours
• Talk time:b nours
• Protocols: A2DP1.3, HFP1.7, HSP1.2, AVRCP1.6, SPP1.2
• Communication distance: 10M
• Charging box input: TYPE-C DC 5.0V 1A
• Charging box output: USB A DC 5V 1A
• Display of the charger box battery: LED digital tube
• working temperature: 10″C-60″C

Basic Parameters of the speaker

• Speaker specifications: D10mm
• Impedance: 320 t15%o at1000Hz
• Frequency: 20Hz-20KHz
• Sensitivity: 110 t2d8
• Input power: conventional 3mW, max. 5mW

Basic parameters of the microphone

• MIC type: Silicone microphone
• MIC sensitivity: -42:1dB
• Total Harmonic Distortion:0.1%

Safety Instructions

To avoid hearing damage, keep the volume at a moderate level and avoid listening to music at high volume for long periods of time, which can cause permanent hearing damage and even deafness. Please do not use earphones during activities that require attention, such as driving a car, or cycling. crossing the street, etc.
Note: If you use earphones while watching videos, the sound may be slightly out of sync with the video.

When charging is complete, please disconnect the charging cable from the unit. The specified range of the charger output is 5V/1A-5V/1.5A. If the output voltage or current of the charger exceeds the specified range, this will cause serious damage to the product which is not covered by the warranty.

TWS Real Wireless Bluetooth Earphones User Guide and Notes

1. All Bluetooth products can be affected by the environment in which they are used. Please avoid use in large electromagnetic fields or environments with strong radiation, as this will interfere with the Bluetooth signal.
2. if the battery of the earphones is below 10%, the reception power and distance will decrease. It is recommended to use the earphones if they have a sufficient battery and to charge the product regularly.
3. If there are obstacles or multiple 2.4GHz signals, the Bluetooth signal will be disturbed and occasional cadence may occur.
4.  Please do not drop the Bluetooth earphones or put them in water as this may damage the speaker, microphone and sound quality.
5.  if you do not use your earphones for a long period of time, we recommend that you charge them once every 30 days to avoid malfunctioning when switched on due to lack of power.
6.  we reserve the right to make upgrades to the hardware or appearance of the product without notice. Please refer to the actual product.

FCC Caution

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interfèrence received, including interference that cause undesired operation. Any 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.
  The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

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