The Bluetooth system allows the max call distance 1000m and actually realizes the fully duplex wireless communication among 5 riders.  

1.NFC :Near Field Communication, wireless Communication from close range

Motorcycle handle remote control

2.Bluetooth 3.0

3.Full duplex motorcycle intercom among 5 riders at the same time

4.National level 5 waterproof standards

5.With FM radio

6.Connecting with MP3/GPS/mobile which has bluetooth 7.function.Inter-communication: up to 5 riders

8.Inbuilt polymer lithium battery with capacity up to 500mA;

9.Standby 240h;

10.Continuous call or music playing above 8h;

11.Charging time around 3h;