• Description:-The USB Bluetooth music receiver has neither extension line, also no need pull wire, don't need 3.5mm Headset line to transfer and output.-Through wireless Bluetooth music transmission to U disk read home audio system, then you can enjoy it, of course,-the premise is your speakers must support the U disc playback function. Bluetooth Music Receiver with Bluetooth V2.1 provides reliable and high-quality sound.-Compact and mini-sized design,easy to take along with.-Built-in microphone, supports hands-free function. Enable you to enjoy music and voice in the Bluetooth-enabled multimedia or music player wirelessly with a companion Bluetooth Stereo headset.