USB: Connect USB flash drive (maximum support 32GB)
LED: digital screen display, showing red
Infrared receiving module
TF: Connect TF memory card (maximum support 32GB)
AUX: audio input interface
VOL-: Short press is to select the previous song; long press is to decrease the volume
SCAN: Short press is the switch between pause and play; long press is the FM FM automatic station
VOL+: Short press is to select the next song; long press is to increase the volume
MODE: Switch between USB / TF / FM / AUX
Music format: MP3 format music
Radio IC: RTC6222
Radio FM frequency: 87.5-107.5 MHZ
Support function introduction: support MP3 / USB / TF / LINE IN / FM / remote control connection / DC 5V or 12V (optional)
About the structure: panel size: 107 * 25 MM, the two corners of the panel and the screw hole position, then the cover cover surface, the depth of the board is 27 MM