... auto-receiving cell phone callsAdvanced A2DP & EDR Bluetooth profileStereo music/audio function (transmits from A2DP ... resistance, all weather, Friendly for glovesThis is bluetooth stereo headset!This is also interphone (walkie talkie), ... party speak simultaneously100 meter,500meter,1000 meter Bluetooth Interphone bluetooth intercom bluetooth walkie talkie SpecificationsFor Motocycle helmet, bicycle ...