1.wireless bluetooth headset/earphone 2.Bluetooth Version 2.1+EDR 3.Fashionable comfortable 4.longstanding 5.Cheaper price Details Bluetooth Version 2.1+EDRSupports , HSP and HFP Microphone sensitive: [-45dB(0dB=1V/Pa,1KHz)]Extremely good quality,superior clear voice Handsfree,compatible with all Bluetooth DevicesHigh Capacity&Rechargeable Lion Battery Automatic cennecting function Energy saving ...