Bluetooth V2.0+EDR, 500 meters wireless communication range. Support Bluetooth headset Profile (HSP), hand-free profile (HFP), advanced audio distribution Profile (A2DP) and audio video remote control Profile (AVRCP), intercom and Text To Speech (TTS) technology. It can simultaneously connect up to 4 devices, the mobile phone, GPS or the stereo, another two Bluetooth intercom headsets. It’s an effective solution for the man when he is wearing a helmet and can’t receive the call, listen to the music or communicate with the teammates.

Application Field: Motorcyclist helmet intercom headset, industrial safety helmet intercom, construction measure aviator helmet intercom, the judges in the sport competition etc, anybody have to use their hands and keep communicating with others in real time.