Motorcycle helmet Bluetooth double earphone

Interphone function for rider and passenger. Connect two Bluetooth devices simultaneously. Supports handsfree call. Do not support Bluetooth music

1.Easy to insert in your motorcycle helmet
2.Interphone function, easily to talk to your passenger
3.Dual speakers provide clear voice and loud
4.Very easy to install to full face helmet and open face (3/4) helmet
5.Bluetooth version: V3.0
6.Operation range: Class 2, 10 meters
7.Talking time: up to 7hrs
8.Standby time: up to 80hrs
9.Charging time: about 2 hours
10.Package size: 20.3*11*2.5cm
11.Main body weight: 40g