Style:Ear Hook Communication:ctors:3.5mm Use:Portable Media Player Function:MicroWaterproof,Noise Canng,Bluetooth Color:Black Product name:Referee bluetooth headset V6C Function:DSP noise reduction Keyword:Full weather Material:ABS Type:Mobile Headset Feature:Full-duplex, A2DP&EDP Bluetooth Version:3.0 The of users:6 Users Intercom Range:1200M Communication: