Turn any amplifier or in-car system into a Bluetooth receiver to stream music with the added benefit of hands-free telephony in your vehicle. Supports Bluetooth 3.0 HS (upto 24MBPS) with EDR (Bluetooth 2.1, 2.0, 1.2, 1.1 backward compatible). Built-in microphone with noise reduction. Micro USB Charging. 3.5mm AUX cord. Compatible with universal smartphones. (not included). Rechargeable battery. In the box: 3.5mm female to stereo RCA adaptor 3.5mm male to 3.5mm female extension cable. Model number: wave. Manufacturers 3 year guarantee.