1.bluetooth earphone with mic 2.Talk time:20h; Standby:100h 3.CE,FCC,BQB,ROHS 4.HFP,HSP,A2DP,AVRCP 5.Range:10m NoiseHush Over Head Bluetooth Headset Features of bluetooth: * High Quality Blutooth Headset Headphone with Microphone* High Defition bluetooth headset with control talk* Can be easily connected to iphone,ipad,tablet PC,cellphones etc.* Remote playback control function:play, stop, ...