Description

*Support TF Card (mobile phone memory card), U disk playback mode.
*Module design and convenient refit.
Product feature: *Support MP3 format, playing power on automatically, playing state red LED indicator update.
*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.
*Keys can be adjusted up and down track switch, volume + -, pause / play, mode switching, for details please see the key operating instructions.
*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 selection.
*The "Repeat" key :"short press" is switching cyclically "single / song" (no press function).
Note: *"long press" time is about 2S.
*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: 3.7-5.5V.
*Dimension: 45mm * 36mm.
*packing included：1x MP3 Decoder Module .

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SMAKN® Mp3 Lossless Decoders Decoding Power Amplifier Mp3 Player Audio Module Mp3 Decoder Board support TF Card USB

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Product review & video

hello welcome to best reviews at YouTube this item has a rating of four point four out of five stars a customer wrote this is an okay board it met my need for a board that plays automatically on power-ups but the left and right channels were reversed on the stereo headphone jack in addition the right channel was inverted in that a positive signal input on the mp3 resulted in the negative output and a negative output resulted in a positive one is measured on the DMM an oscilloscope and an audacity spectrogram I'm not sure about the left as it didn't matter for my use these things probably won't matter to people who are using an mp3 player for its intended purpose of playing music instead of using one channel as a cheap pulse generator to pulse a light as a and number 34 Dazzler and number 34 and using the other as a poor-man's LRAD piping a modulated 14.7 kilohertz out a long throw expon