... design,extraordinary multi-fucntion button,with such a multifunction Bluetooth stereo headset,you can enjoy listening to real stereo music or ... Button On/Off:Yes Standard Bluetooth Features:Yes Standby Time (hrs):100 Supported Profiles:Headset A2DP,AVRCP,Handsfree Talk Time (hrs):4 ... manual Product introduction : 1,The smallest and lightest Mini Bluetooth Headset in the world , 2,Easy-to-use one touch ...