Specification:Dimensions:*25 (mm)Product power consumption: le than 150MAModel: V19 (Remark: DC power supply 12V)Product Category: Audio AcceoriesOne: module function - audio, controllable player, household appliances, industrial applications1, the production of simple audio, simple, , suitable for the popular mid-range consumer market:2, nsform and upgrade the ordinary audio, so that the audio can easily play the MP3/WMA format song files in the U disk SD card, improve the sound quality of ordinary audio, and oain effective music at low prices;3, with other equment, circuits, modules, secry development and application, used in toys, gifts, fitne equment, household appliances, broadcasting syst, etc.4, easy to achieve Bluetooth wirele docking, listen to music as you like.Functions:(1) Support led dial tube;(2) Support USB, SD , AUX, FM radio function;(3) Support Bluetooth, compatible with Bluetooth 3.0 and below;(4) Support the previous song, the song, play/pause, mode conversion;(5) Support16,32 file system;(6) Support MP1 Layer3, MP2 Layer3, MP3 Layer3, version of the song;(7) Support MP3 songs of 32-320 kbps;(8) Support infrared e control reception(9) The module contains an MP3 song de ;on operation instructions:Host on:1. “PREV”: Short pre the previous song in the USB/SD/Bluetooth state; short pre the laststation in the FM state, pre and hold the volume down.2. “PLAY/PAUSE” short prees play/pause in USB/SD/Bluetooth status, pre auto scan station in FM state;3. “”: Pre a short on in the USB/SD/Bluetooth state; pre a station shortly in the FMstate and pre and hold the volume.4. “MODE”: When there is SD card and U disk: the switching sequence is USB→SD→Bluetooth→FM→AUX→USB; only U disk: switching sequence is USB→Bluetooth→FM→AUX→USB; only SD card Time: The switching sequence is SD→Bluetooth→FM→AUX→SD.Package contents:1 x Bluetooth MP3 board1 x e control (Not Bring the Battery)