Features: 1 LED: digital screen display, display red, color screen display; 2 USB: Connect U disk (maximum support 32GB, not included) 3 VOL-: Short press is to select the previous song; long press is to decrease the volume 4 PLAY/PAUSE: Short press is the switch between pause and play; short press in the FM FM state is automatic 5 VOL+: Short press is to select the next song; long press is to increase the volume 6 MODE: USB / TF / FM / AUX / BLUETOOTH tone switching 7 TF: Connect TF memory card (maximum support 32GB, not included) 8 Infrared receiving module Specifications: Master IC: AC6926 Bluetooth IC: AC6926 Bluetooth version is version 5.0 Music format: MP3 / WMA / WAV / APE lossless format Radio FM frequency: 87.5-107.5 MHZ Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote remote connection / DC 12V About the structure: panel size: 68 * 23 MM, the two corners of the panel and the screw hole position, then the cover surface, the depth of the board is 32 MM Package included: 1*MP3 WMA WAV Decoder Board 1*Remote control (without batteries) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.