USB AUX Bluetooth 5.1 Adapter Dongle Receiver Audio Music Stereo For Car PC TV`
Receiver AUX Mode 1x 3.5mm Aux Cable. 1x Bluetooth 5.1 Audio Receiver Adapter. The usb mode does not need to use 3.5 audio cables. Note: The car usb interface and speaker usb interface must support usb audio output.