1000metras bluetooth interphone

1000metras bluetooth interphone Maximum talking range 1000 meters between two riders, real two-way wireless communication between three riders by Bluetooth system Up to 120Km working speed Up to 7 hours talking time Safe auto-receiving cell phone calls Advanced A2DP & EDR Bluetooth profile Stereo music/audio function (transmits from A2DP enabled cellphone/MP3/GPS) Wind noise DSP cancellation Water-resistance, all weather, Friendly for gloves This is bluetooth stereo headset! This is also interphone (walkie talkie), widely use for motocycle helmets, bike users! Full duplex calls allow you to speak and hear the other party speak simultaneously 100 meter,500meter,1000 meter Bluetooth Interphone bluetooth intercom bluetooth walkie talkie Specifications For Motocycle helmet, bicycle helmet, etc.