Wireless Bluetooth5.4 Transmitter Receiver TV Car Stereo Audio Adapter 3.5mm AUX
Ports: AUX IN (3.5mm), AUX OUT (3.5mm), Optical IN, Coaxial IN. Versatile ports:AUX Input/Output, Optical Input, Coaxial Input. Modes: Transmitter (TX) / Receiver (RX) / USB Playback / TF Card Playback.