10PCS TF Card MP3 Decoder Player Module with Audio Amplifier - Micro USB 3.75V Power Supply for DIY Audio Projects, Car MP3 Player, Home Stereo System Upgrade

Product Description

Product description:1) Support MP3 format, playing power on automatically, playing state red LED indicator update.2) Support U disk (be tested by 32G), TF Card (be tested by 16G) play mode; power on default TF card mode, if the TF card does not exist automatically jump to the U disk, and two kinds of equipment are installed, you can manually set the playback mode, please look at the key operating instructions.3)Keys can be adjusted up and down track switch, volume + -, pause / play, mode switching, for details please see the key operating instructions.4) Can be set button single /whole song ," default power up the whole song cycle, replacing the circulating mode by pressing the "Repeat" key.Key operating instructions:The "Prev/V--" key : " short press "is switching to"the last song ,"long press" is for "volume decreasing"The "Next++" key : " short press "is switching to"the next song","long press"is for"volume increasing "The "P/P/Mode" key :"short press"is switching to "play / pause", " long press"is U disk and TF Card mode's selectionThe "Repeat" key :"short press" is switching cyclically "single / song" (no press function)Note:1 "long press" time is about 2S.2 If you use U disk mode, some suggestions of 5V power supply, some U disk doesn’t support 3.7V power supply.Product specifications:Power range: 3.7-5.5VDimension: 45mm*36mmPacking included：5 * Mp3 Lossless Decoders Decoding Power Amplifier