10BS - User Manual



1、Product Overview


1). USB car charger

2). USB charging cable

3). Sun-visor clip

4). Rechargeable lithium battery

Note: All accessories are also available on avantree.com

2、Basic Operations





Power on/off

Press and hold MFB for 4s


Answer a call

Press MFB once


Reject a call

Press and hold MFB for 2s


End a call

Press MFB once


Voice dialing (phone feature)

Press MFB once



Double click MFB

V+ / V-

Volume up/down

Press V+ / V- once


Multipoint function off/on

Press and hold V+/ V- for 3 seconds

Mute button

Mute/Un-mute the microphone

Press Mute button once (during a call)

V+ & V-

Transfer calls between10BSand mobile phone

Press V- and V+ together (during a call)

LED Indicator

Note: some functions are mobile dependent and may not work with some phones. The LED will show red during mute mode. Contact us at support@avantree.com for details.

3、Set Up

Remove the Insulating sheet / Install the battery / Install sun-visor clip

4、"Auto Power On/Off" Function

10BS comes with motion sensor. It will auto power on when it detects any motion (e.g. opening the car door) and will auto power off after disconnect over 10 minutes.

How to enable/disable the function

Manually power on/off the car kit by pressing and holding the MFB for 4 seconds, will enable/disable this function.

Note: If you want to use auto power on function, please do NOT power off the car kit manually.

5、Pairing a mobile phone

Step 1: Set 10BS to PAIRING MODE - From off status, press and hold the MFB button for 7 seconds until LED indicator flashes BLUE and RED alternately.

Step 2: Activate Bluetooth on your phone; search and select, “Avantree 10BS” to connect.


6、To add another phone(Multipoint function)

Step 1: Pair and connect the 10BS with the first phone as above.

Step 2: Power off the 10BS and repeat the Chapter 5 steps to pair and connect the 2nd phone.

Step 3: Power off and power on 10BS again. It will automatically connect with the two phones.


Normally, the 10BS will automatically reconnect the last 1 paired device once it’s power on. For other devices, you may need to manually click " Avantree 10BS" on your phone to reconnect. 

Important notice: To ensure the success of auto re-connection with 2 devices (including the last 1 paired device), please activate Bluetooth on the 2 phones before opening the car door.

8、Restore to default settings

You may find it necessary to reset the 10BS if it is not working as expected. After it is reset to factory default settings, all the paired mobile phone information will be erased.

Power on 10BS (make sure it is not in pairing mode). Press and hold  V+ and V-  buttons together for about 10 seconds until the LED flashes BLUE and RED 3 times. It will enter pairing mode automatically.

Note: For successful connection, please also delete the paired information from your phone and re-pair with 10BS.

9、How to charge

When the LED flashes RED every 5 seconds, you should fully recharge the device for about 3 hours. The LED will remain RED while charging and then turn off when charging is complete.

You can plug the 10BS into a USB wall charger/car charger (DC 5V / 0.5-1A) or computer USB port that is powered on.


10、Product specification

  • Bluetooth compliance: Bluetooth V4.0
  • Operating frequency band: 2.4GHz ~ 2.48GHz unlicensed ISM band
  • Operation range: Class 2, up to 10 metres
  • Support profiles: A2DP,AVRCP,HSP,HFP (GPS instruction announcement and music)
  • Stand-by time: Up 600 hours
  • Talk time: Up to 22 hours
  • Battery charging Time: About 2-3 hours
  • Charger voltage: DC5.0V, 500mA
  • Battery: 650mAh, BL-5B (Rechargeable lithium-ion battery)


The talk and standby times may vary when used with different mobile phones or other compatible Bluetooth devices, usage settings, usage styles and environments.


For more information and FAQ, please refer to support.avantree.com or contact us at support@avantree.com.

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