Plug it to your car AUX port or Home AV surrounding system via the 3.5mm, Audio Cable or the 3.5mm Connector;
Find it on the Bluetooth List of your Phone,Enter the code: 0000 and connect it.,Successful parting, play music without wires.nbsp;
The USB port is only for power supply .nbsp;
Only A Receiver, Not A Transmitter.
1 x Bluetooth 2.0 Receiver
1 x 3.5mm to 3.5mm Audio Cable
Asiproper USB 2.0 Bluetooth Music Audio Stereo Receiver Fit for Car AUX Speaker - B07DGS3VYY