NFC Bluetooth-compatible 5.1 Receiver Stereo AUX 3.5mm RCA Optical Audio Adapter

Bluetooth-compatible 5.1, AUX audio output/coaxial output/TF card playback, transmission distance 10 meters
Support NFC one-key connection, avoid tedious manual connection
Automatic matching, connect in seconds after power on (with memory function, after the first pairing, subsequent power on automatically connect)
Multi-functional buttons, DC/5V charging port, TF card slot, dual-channel interface, blue ambient light, 3.5mm audio hole, NFC sensor area