NFC Bluetooth Transmitter Receiver Optical 3.5mm Aux Rca Fm

3 In 1 Adapter: Bluetooth receiver(RX), Bluetooth transmitter(TX), FM 3 in 1 deisgn, BT 5.0 , high compatibility and stability. Support FM transmission, with 87.5 to 108 MHz adjustable frequency. Support NFC function. LED Display: The adapter is equipped with LED display, you can check the status at a glance, the light is soft, not dazzling. Easy operation with buttons to play or pause music. Built in mic allows you enjoy wireless music, hands free call during driving. Multi Interface: Input: 3.5mm AUX, RCA, Optical, Coaxial, USB, TF interface, output: 3.5mm AUX, RCA. Support U disk, TF card playback and transmission.