Bluetooth HIFI Power Subwoofer Amplifier Board 2.1 Channel TPA3116D2 Audio Stereo Equalizer Amp 2*50W+100W TPA3116 Amplifier board,
Function Instructions:
Default Bluetooth mode is Default.
When Bluetooth disconnected, long press the Volume button to Switch to AUX.
When Bluetooth playing, short press Volume button to Pause / Play.
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