Support USB / TF (SD) / Bluetooth / FM / aux and other modes;. Support mp3 / wma / WAV / FLAC / ape;. 1 MP3 decoder board. Mode: USB / TF (SD) / FM / Aux / Bluetooth function switching. Automatic (play / pause): in MP3 state, short press Auto to play / pause; in FM state, short press to play / pause, long press to receive and save automatically; in Bluetooth function, short press to play / pause.
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