2013 Hot Sale Bluetooth Headphone ,Bluetooth New Version 2.1 Bluetooth Stereo Headset

Specifications 1.over-ear bluetooth headset 2.adjustable headphone 3.wireless light headset 4.Wireless, sport-style 2012 Hotest Fashionable Wireless Stereo Audio Bluetooth Headphone,OEM/ODM welcome Description:       1:  Bluetooth 2.1 wireless transmission protocol                                                                                                                                                                                                         2:  Transmission distance and range(10m,  360°)                                                                                                           3:  High SNR Bluetooth audio connection 4:  No wire,no transmitter,no software,no setup, it is easy and fast.  5:  Automatic Switch-over between calls and music   6:  Hidden omni-directional Mircrophone                                                                                                                                                                                                                                                                                             7:  Low power indicater8:  Adjustable headband 9:  Working duration:10h,charging duration:3h10: Headset Spec.: frequency response:20-20KHz,SRN:92dB,working Voltage:3.7V,current:30mA speaker size:Φ30mm11: Microphone Spec.:100Hz~10kHz&SRN≥74dB&Sensitivity:-66dB