Description:Dimensions: 106*25 (mm)Product power consumption: le than 150MAModel: V19 (Remark: DC power supply 5V/12V optional)Product Category: Audio AcceoriesAdvantage:1.The production of simple sound with function, cheap, suitable for the popular mid-range consumer market.2.nsform and upgrade the ordinary audio, so that it can easily play the MP3/WMA format song files in the U disk SD card, improve the sound quality of ordinary audio, and obtain effective music at low prices.3.With other equipment, circuits, modules, secondary development and application, used in toys, gifts, fitne equipment, 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 (TF), AUX, FM radio function;(3) Support Bluetooth, compatible with Bluetooth 3.0 and below;(4) Support the previous song, the next song, play/pause, mode conversion;(5) Support FAT16, FAT32 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 remote control reception(9) The module contains an MP3 song de chip;on operation instructions:1. ''PREV'': Short pre the previous song in the USB/SD/Bluetooth state; short pre the last station in the FM state, pre and hold the volume down.2. ''PLAY/PAUSE'' short prees play/pause in USB/SD/Bluetooth status, long pre auto scan station in FM state;3. ''NEXT'': Pre a short on in the USB/SD/Bluetooth state; pre a station shortly in the FM state 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.