TF Capacity: Max support 32G (Not included)<br> Powered By:1 x AAA Battery(Not included)<br> Screen Size: 30x8.5(mm)<br> Item Size: 95x25x16(mm)<br> Net Weight: 26g<br> Type:MP3 Player<br> Music Format: MP3<br> Port: USB2.0 Port<br> Audio Output: 3.5mm<br> Instructions for use:<br> Step 1: Install Micro-SD before using MP3 player, connect it to the USB interface of the computer, and wait for the driver to update automatically.<br> : Format Micro-SD into FAT32 file system.<br> Step 3: Store the MP3 file with the bit rate of 128kbps in the root directory of Micro-SD.<br> Notice:<br> Micro-SD should be formatted in FAT32 format<br> TF card is not included,you have to use your own one(max support 32GB)<br> Please confirm there is no battery before plug into the computer.<br> Each Mp3 screen have protector film, .<br> Colour:Black<br> Material:Plastic<br> Package Contents:<br> 1 * MP3 Player(without 1xAAA battery)<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.