2x10W 3.7V True Stereo Bt Trolley Stereo Motherboard MP3 Decoder Amplifier Board with Microphone Function

Function Introduction: Support: amplifier 10W, wireless bluetooth amplifier, wireless microphone and wired microphone, dual decoding MP3/WMA/WAV/APE format music, recording, TWS, read USB disk, read TF card, radio FM, IR remote control, power-off memory, battery 3.7V input, Micro USB charging DC 5V 2A. Main Features: 1, dual decoding, support MP3/WMA/WAV/APE format music; 2, support bluetooth music; 3, support wired microphone and wireless microphone; 4, support USB / TF card; 5, Power failure memory function; 6, support 5-10 meters distance infrared remote control operation; 7, Support FM (87.5MHZ-108.0MHZ); 8, button: MIC REC / MODE / VOL- / AUTO / VOL+ ACCO; 9, support LINE-IN; 10, support remote control EQ; 11, the highest volume 30 levels (support 50 level switching); 12, support TWS; 13, input battery 3.7V as power input / DC 5V charging, amplifier 10W 14.Control knob echo, volume, microphone volume. Button operation instructions: 1.REC/MIC button: Input line control microphone, short press the "REC" button, that is, the microphone sound recording to the USB/CARD device. 2, MODE button: Switch USB/TF/FM/AUX/Bluetooth/MIC function sequentially. 3、Vol-button (last song/volume down): Under MP3 status, short press of vol- is the last song, long press is volume decrease; under FM status, short press is to increase one level number; under Bluetooth function, short press is Bluetooth playback, long press is volume decrease; 4、Auto button (play/pause): Under MP3 status, short press auto for play/pause; under FM status, short press for play/pause, long press for automatic radio reception; under Bluetooth function, short press for play/pause; Long press "TWS" to pair another speaker. 5, Vol+/ACCO button (next song/volume up): MP3 state, Vol short press the next song, long press the volume increase; FM state, short press to reduce one level; Bluetooth function, short press the Bluetooth next song, long press the volume decrease; (Micprohone accompaniment)