amplifier board TF card player FM radio function with digital tube display


FM radio function button, long press for 2 seconds to search automatically; POWER power switch button; M signal input switch button, long press for 2 seconds to switch, no signal input will not switch to this port; short press on or next song To change the track, long press to adjust the volume; 0-9 directly select the track or select the radio button.


The battery interface is connected to a 3.7V lithium battery, and the USB power port can charge the battery. USB can be used for direct power supply when the battery is not connected.


Note: The small speakers, lithium batteries, antennas, and terminal cables that need to be equipped with the board are all available in our shop. The terminal line is the plug line that connects the power supply and the speaker. Go to the store to choose the PH2.0 terminal line.