HiLetgo TF Card U Disk Play MP3 Decoder Player Module with Audio Amplifier Audio Decoding Player Module Micro USB 5V Power Supply
<b>Product description: </b><br> 1) Support MP3 format, playing power on automatically, playing state red LED indicator update. <br> 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.<br> 3)Keys can be adjusted up and down track switch, volume + -, pause / play, mode switching, for details please see the key operating instructions.<br> 4) Can be set button single /whole song ," default power up the whole song cycle, replacing the circulating mode by pressing the "Repeat" key. <br><br> <b>Key operating instructions:</b><br> The "Prev/V--" key : " short press "is switching to"the last song ,"long press" is for "volume decreasing"<br> The "Next++" key : " short press "is switching to"the next song","long press"is for"volume increasing " <br> The "P/P/Mode" key :"short press"is switching to "play / pause", " long press"is U disk and TF Card mode's selection <br> The "Repeat" key :"short press" is switching cyclically "single / song" (no press function) <br> <b>Note:</b><br> 1 "long press" time is about 2S. <br> 2 If you use U disk mode, some suggestions of 5V power supply, some U disk doesn't support 3.7V power supply. <br><br> <b>Product specifications:</b><br> Power range: 3.7-5.5V <br> Dimension: 45mm*36mm <br><br> <b>Packing included:</b><br> 1*Mp3 Lossless Decoders Decoding Power Amplifier