4 riders intercom in full duplex communication system

1.4 people Full duplex motorcycle intercom, first launched on the world market
2.up to 1.2 km bluetooth distance,
3.Working speed above 120 km/h;
4.Automatic and safe receiving of mobile phone calls after 3 seconds without pressing any key but 5.riding the motorcycle as usual.
6.lithium battery with capacity up to 500mA;
7.National Level 5 waterproof standard;
8.with FM radio
9.Super shock stereo headphones
10.fully duplex wireless communication among four riders, four riders can talk and listen at the same time, help your communication without chock.
11.V4 has the functions of EDR and A2DP and one of its important features is that it may be connected with the mobile phone with A2DP stereo function, MP3 or GPS audio navigator so as to listen to music



4 riders intercom in full duplex communication system