mobilephone bluetooth earphone 1,verson:2.0 2,CE,Rohs 3, noisy cancelling 4,Radio Frequency Range:2402-2480MH mobilephone bluetooth earphoneModel No.BE ... -on stable to wear7.Support A2DP,AVRCP, Bluetooth headset,handsfree profile.Specifictions:1.Standards:Bluetooth specification V2.0/V2.1+EDR2.Radio Frequency ...