Material:ABS Color:Black Item Type:Bluetooth Receiver Bluetooth Version:V4.1+EDR Wireless Distance:10m Frequency :2.4GHz Working Time:3-5h Interface Type:3.5mm Support Hands Free Calling:Yes Support Bluetooth A2DP :Yes Package include: 1 x Bluetooth Music Receiver+1 x Micro USB Power Cable+1 x 3.5mm Audio Connector+1*Manual Make your Car AUX audio sytem and Home Theater AV HiFi Surrounding system become bluetooth compatible, get music from Bluetooth enable device.High-performance, support A2DP V1.2 stereo profile. Simply connect this bluetooth 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 bluetooth IC, More stronger compatibility.