Aluminum alloy blue tooth headset for mobile phone Version:V2.0+EDR CE FCC RoHS approved 9 colors Multipoint ModelBH022CBluetooth SpecificationV2.0+EDRChannelMonoOperating Range10 metersTalk Time6 hours(21T)/3 hours(21)Standby Time100 hours(21T)/50 hours(21)Dimension53.5(L)*13.5(W)*6(H)Weight6.6gColor9 colors for optionBasic FunctionAnswer/hang up the phone Voice dialing Last number redial Reject ...