Kebidumei 80W Bluetooth 5.0 MP3 Amplifier Decoder Wireless Recording Board USB MP3 Player Decoding Board Module 5V 12V S

PLAY / PAUSE: the short press is to switch between pause and play PLAY / PAUSE: the long press is a radio FM automatic station PREV / VOL-: the short press is to select the previous song PREV / VOL-: the long press is to decrease the volume NEXT / VOL +: the short press is to select the next song NEXT / VOL +: the long press is to increase the volume