6Pcs Tf Card U Disk Play Mp3 Decoder Player Module With Audio Amplifier Audio Product Details 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 selection The "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: 3.7-5.5V Dimension: 45mm*36mm Packing included? 6 * Mp3 Lossless Decoders Decoding Power Amplifier TF Card U Disk Play MP3 Decoder Player Module with Audio Amplifier Audio Decoding Player Module Micro USB 5V Power Supply With high quality, onboard 2W single channel power amplifier. Convenient to wire and refit; 4 buttons on the board for setting operation. Support MP3 format, playing power on automatically, LED indocator light when module is working. Support TF Card (mobile phone memory card), U disk playback mode With the speaker terminals without welding Mp3 lossless decoders power amplifier Mp3 player module Mp3 decoder board support TF card and USB. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.