Overall Dimension:75*50(mm) Product power consumption:less than 150MA Product Model:G016D (Note: DC power supply 5V/12V optional) Product Category: Audio Accessories A: module role - audio, controllable player, home appliances, industrial applications 1, the configuration of the production of simple audio, simple efficacy, inexpensive, suitable for mass mid-range products in the consumer market: 2, remodeling and upgrading of ordinary audio, so that the audio can be easily played on U disk TF card MP3/WMA format song files, improve the ordinary audio, audio and video. song files, improve the sound quality of ordinary audio, low price to get high quality music effective way; 3, with other equipment, circuits, modules, secondary development applications, applied to toys, gifts, fitness equipment, household appliances, broadcasting systems, etc. 4, easy to realize the Bluetooth wireless docking, listen to music at will. Second: the main features: (1) Support led digital tube; (2) support USB, SD (TF), AUX, FM radio function, support for external microphone; (3) Support Bluetooth, compatible with Bluetooth 5.0 version; (4) Support previous song, next song, play/pause, mode switch; (5) Support FAT16, FAT32 file system; (6) Support MP1 Layer3, MP2 Layer3, MP3 Layer3, version of the song (7) Supports 32-320kbps MP3 songs; (8) Supports infrared remote control; (9) Supports FAT16, FAT32 file system. (8) Support infrared remote control reception (9) The module contains MP3/WMA song decoding chip; III: Key operation description Host key: 1、“PREV”:in USB/SD/Bluetooth state short press on the last song; in FM state short press on the last radio station, long press the volume down. 2、“PLAY/PAUSE”: short press play/pause in USB/SD/Bluetooth status, long press auto scanning radio station in FM status. 3、“NEXT”:short press the next song in USB/SD/Bluetooth status; short press the next station in FM status, long press the volume up.