... BSH21 Certificate: BQB, CE,FCC 2012 new smallest bluetooth headsets BSH21 Weight:15g Bluetooth Standard: CSRV2.1 version, banwidth 3Mbps Wireless Frequency Range: Global ... Color:Black, Silver Support blue tooth: Receive/Reject/End a call, Voice dial, Last number redial , Mute Function, Volume Adjustment, Musical selection. 2012 new ...