1.Bluetooth V4.1 , CSR chipset 

2.Connection Distance:500 meters 

3.Working Time:22H 

4.Stand By：15 days

5.Charge Time:2.5H 

6.Speaker:Φ30mm 

7.Battery Capacity:600mAh 

8.Color:Black 

9.Operating Frequency: 2.4GHz 

10.Connectors: USB 

Features:       

1.Rainproof Strcturer 

2.Voice prompts function 

3.Can be achieved Bluetooth and cell phones, intercom calls, stereo music , GPS and speedometer . 

4.Mobile phone calls automatically switch to the mobile phone to answer calls, hang up automatically after recovery intercom

5.Can be controlled via mobile phone music AVRCP play, pause, previous song, next song played

6.There are rumors DSP noise reduction and processing, high-speed exercise to ensure a clear call quality(Max.≤120KM/H）

7.Multiplayer intercom mode,max support 8 rider at the same time 

8.Support online update (Windows XP/7/8/10)