Bluetooth adapter audio transmitter receiver - U-disk playback, Tfcard playback, Multi function BT adapter wireless receiver 5.0 stereo system 3.5mm jack AUX cinch RCA optical for TV / PC / car Functions Bluetooth Receiver (RX), Bluetooth Transmitter (TX), FM Transmitter 3-in-1 adapter design. The Bluetooth 5.0 chip has a stronger compatibility and stability. Equipped with HD LED digital display. Built-in digital to analog chip, supports digital optical, coaxial, AUX, RCA interface. If you update the NFC function, the mobile phone can connect with one touch. Built-in 500mAh rechargeable lithium battery, long battery life. Support USB (memory card), TF card playback and transfer. Support FM transmission, frequency range 87.5-108MHz.
eBay