Mnxo&reg; Bluetooth Receiver Audio Wireless with Internal Rechargeable Battery for Car or Domestic Use 1.Excellent Sound: Audio quality is solid, within range, it's just as good as using a audio cable. Mnxo J002 Bluetooth Audio Receiver supports the Bluetooth A2DP for the high-fidelity transmission of stereo, and the sound quality and volume through the wireless audio transmission can be comparable to that of wire transmission. 2.Easy for Use: the receiver is small and portable, its built-in battery is rechargeable, and it can be connected with common audio equipment and also can be connected with auto audios. 3.Simple to Handle: it is a kind of plug-and-play device and does not need any driver software. 4.Mnxo J002 Bluetooth Receiver has both an Auxiliary interface of 3.5mm and a RCA socket. Two types of output interfaces allow the receiver to be connected with more common audio equipment without conversion lines. 5.Rechargeable Battery Included