Make your Car AUX audio system and Home Theater AV HiFi Surrounding system become blue-tooth compatible, get music from Bluetooth enable device such as for iPhone, for iPad, for iPod, for HTC for Samsung Smart cellphone or Bluetooth PC, Laptop. Simply connect this blue-tooth audio receiver to your line-in or auxiliary input on your speakers, pair it to your Bluetooth enabled device, and enjoy the wireless music revolution. Whether you want Bluetooth convenience in your car, through your home-theater system, in your kitchen, bathroom, or bedroom,etc. Simple operation,3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver. High-performance AMP chip,can push the headset,and high-power speaker,applicable to all types of speakers Powerful blue-tooth IC,More stronger compatibility Powered by built-in rechargeable li-ion battery via mini USB port , long working time and low consumption. (Mini USB cable included) You can play music through your car stereo and answer phone call via the built-in Mic.