User-friendly Collar clip design with Stereo heaset Plug-and-play easy use Solutions for superior sound quality Better interference resistance via the use of Bluetooth technology Supports wireless audio streaming and headset / hands free application Supports remote control feature Listening to music and talking over wireless phones and computer Compatible with Bluetooth V1. 2, 1. 1 Long talk time: Up to 6 hours Stand by time: Up to 200 hours Net Weight: 19G Powersource: 210mA inlaid lithium battery Model: M-B1 Standard: CE/FCC