U&I BS228GB - TWS Bluetooth Headset Manual

Bluetooth headset should be used with the compatible devices which support Bluetooth wireless technology. This allows you to make two calls and enjoy the music streaming at any time freely. Please read this user manual carefully before using the headset, and also read your device's user manual regarding the Bluetooth function, and pay attention to those important safety and maintenance information.

Please keep the headset away from children.

Specifications

Bluetooth Version: V5.0

Bluetooth Profiles Supported: HFP, HSP, A2DP, AVRCP

Audio Decoding Protocol: SBC AAC

Transmission Power: Class 2

Operation Range: Up to 10 meters

Frequency Range: 2.4GHz-2.48GHz

Battery of Headset: 45mAH Li-polymer Battery

Charging Voltage of Headset: 5V±0.2V

Charging Time of Headset: About 1.5 hours

Battery of Base: 420mAH Li-polymer Battery

Charging Voltage of Base: 5V±0.2V

Charging Time of Base: About 2hours

Charging Headset Times from Charging Base: 2-3 times

Music Playing Time: ≥ 6 hours

Talk Time: ≥ 6.5 hours

Standby Time: About 100 hours

Driver: φ6mm

Driver sensitivity: 90±3dB

Driver impedance: 16Ω±15%

Driver frequency ring range: 20HZ-20kHz

Dimensions of Charging Base(mm): L80×W33×H33

Dimensions of Headset(mm): L26×W16.6×H24.8

Weight(one headset): About 4.6g

Total Weight: About 42g

*The time mentioned above may vary due to user's operation mode and device settings.

Structure Sketch

1. Charging Base Opening Snap
2. Charging Base Indicator
3. Micro USB Charging Port
4. Indicator and Mic Hole
5. MFB
6. Charging Pogo Pin
7. Ear Tips

Headset Mode

Charging Base Mode

Identify according to L&R and wear the headset (R) and headset (L) respectively

Wearing Steps

Step 1

Erect headset and place them into the cochlea

Step 2

Slightly rotate headset until it's firm

Step 3

Make the headset to cochlear edge tightly

Charging Ways of Headset

Put the headset (L) (R) to the corresponding position in the bottom of the charging base.

Charging Ways of Charging Base

Use the USB charging cable to charge

The red will flash according times until the battery is up to the corresponding level and will be always on when it is fully charged,

• Use the USB cable to connect with computer
  
• Use the USB cable to connect with mobile charger
  

Note 1: Check the charging device is suit to the headset or not.

Note 2: Use only the supplied charger to charge the headset, if use other device may violate the validation or the maintenance article of this product and may cause danger.

Note 3: Do not attempt to force open the built-in battery as this could damage the headset.

Note 4: A fully charged headset will lose its power automatically if left unused. It is recommended to charge the headset each three months.

Note 5: Do not leave the headset in a too hot or too cold condition (best between -10℃ and 50℃) which may affect the headset's operations although it is fully charged.

Note 6: Do not dispose of the headset into fire or water.

Turning ON/OFF

Method 1

Pick up the headsets from the charging base to turn on automatically.

Put them back to power off and charge the headset.

Method 2

In OFF MODE, press and hold headset(R) or headset(L) MFB for 2 seconds to turn on.

In ON MODE, press and hold headset(R) or headset(L) MFB for 5 seconds to turn off.

TWS Pairing

Pick up the two headsets from the charging base to power on and waiting about 10 seconds, the two headsets will enter auto-pairing mode. The two headsets connect with each other after few seconds, the headset (R) alternately flashing red and blue, and then open the phone's Bluetooth device to search "BS228GB".

Note: When the first time to pairing or after delete the pairing records, the headsets should be paired under 20cm unobstructed.

In OFF state, press MFB key for 2 seconds to power on and waiting about 10 seconds, the two headsets will enter auto-pairing mode. The two headsets connect with each other after few seconds, the headset (R) alternately flashing red and blue, and then open the phone's Bluetooth device to search "BS228GB".

Do as the above ways: 1 or 2, and it prompts "Connected" after TWS paired successfully: left headset prompts "Left connected" and right headset prompts "Right connected-pairing"

Cell phone begins to search for Bluetooth devices (see the user guide of your phone instructions), and select "BS228GB" from Bluetooth device list.

Note: When the headsets TWS pairing failures, short press the headset R and headset L to enter TWS pairing, then pair with phone.

TWS Reconnected

Method 1: Press and hold MFB of headset(R) or headset(L) for 2 seconds to power on→wait for few seconds, the two headsets connect automatically→the headset(R) pairs with the mobile phone that has ever paired after few seconds →reconnected successfully.

Method 2: Pick up the headsets from charging base to power on→wait for few seconds, the two headsets connect automatically→the headset(R) pairs with the mobile phone that has ever paired after few seconds →reconnected successfully.

Note: The headset(R)(L) will prompt "Connected", left headset prompts "Left Connected", the right headset prompts "Right Connected".

Answer/End a Call

When call incoming, short press MFB of headset (R) or headset (L) to answer the call; In call mode, short press MFB of headset (R) or headset (L) to end the call when you hear "Call End".

Reject a call

Press and hold MFB of headset(R) or headset(L) for 2 seconds to reject the call, the speaker prompts "Doo, Call Reject".

Voice Dialing

On standby mode or music playing state, short press the MFB of headset(L). (This function only supports phone with voice dialing function)

Two-call Handling

(Only support the mobile phone which has the function of handling two phones.)

When you are answering a call, there is another call coming:

• Long press and hold MFB for 2 seconds to end the current call and answer the incoming call;
• Short press MFB to hold the current call and answer the incoming call;
• After the second implementation, short press MFB to switch between two calls;
• After the second implementation, long press MFB for 2 seconds to end the current call, and short press MFB to end the other call.

Note:
All the above operations have to respect the precondition supported Bluetooth hands free profile V1.5 and Phones are holding function (Network services) from telecom.

Music Pause/Playing

In standby mode, shortly press MFB of headset(R) to play music.

On music playing state, shortly press MFB of headset(R) to PAUSE music.

Volume +/-

In call mode or music playing mode, double click MFB of headset(R) to volume up; double click MFB of headset(L ) to volume down, once "Doo" can be heard from headset R/L when volume is up to maximum or minimum.

Forward/Backward

In music playing mode, long press MFB of headset(R) for 2 seconds to next song; long press MFB of headset(L) for 2 seconds to previous song.

Delete Pairing Records on the Headset

In OFF mode, press MFB of headset(R) or headset(L) for 10 seconds (OFF MODE→On Mode (2 seconds)→Delete Pairing Records (10 seconds) until hearing "Doo" 3 times and indictors flash red and blue twice at the same time.

Maintenance

• Do not use abrasive cleaning solvents to clean the headset.
• Do not allow the headset to touch with any sharp objects as this will cause scratching and damages.
• Please keep headset away from high-temperature, humidity and dust.

Trouble Shooting