Note:<br /><br />This is a bluetooth transmitter. it needs to open your bluetooth first when connecting to your devices.<br /><br />Features<br /><br />Bluetooth V4.0<br />A2DP Compatible<br />USB 2.0 compliant｣ｬ compatible with USB 1.1<br />Can connect to 2 devices simultaneously<br />Crisp and Clear Sound Quality<br />Encryption and authentication ensure safe｣ｬ secure communications<br />LED indicator shown status<br /><br />Specifications<br />Interface USB 2.0<br />Colour Black<br />Weight 15g<br />Transmission 10 metres<br />Charging time 1.5 hours<br />Operating time      6 hours<br />Dimensions: Diameter = 46mm ｣ｬ Height = 11mm<br /><br />Package Included<br /><br />H-366T Bluetooth Transmitter<br />3.5mm Audio Cable<br />Micro USB Power Cable<br />Instruction Booklet