New Design: User-friendly button design.Easy mode is added for a key to the main menu?? a key to return.Support to switch songs by Headphone?? Entry Hi-Fi.Lossless music playing. Provide great quality sound for the array of music and convenient to download (Support MP3?? WMA?? OGG?? WAV?? APE?? FLAC?? and ACELP.) And you can add bookmark for your music files (including audio book it supports).</br>Easy 'Drag & Drop' Audio Music File Management. Built in 16GB memory capacity?? The memory card slot can support 64GB(64GB memory card not included)?? so can store more music or other files. Shuffle favorite songs in any folder or playlist which you selected?? enjoy shuffle fun.</br>80 hours playback;built in 500mA battery &fast charge??up to 80 hours of audio playback on one full charge.You can charge it in computer or the general charger which output is "/br>MORE USER FRIENDLY AND UPDATED HEADPHONE: With six buttons?? you can use the mp3 player more fluently. You can adjust the volume?? change the song and play the music by the updated headphone. Needn??t to do that on the mp3 player .Perfect sound quality can be classified as PlayFX /Ordinary/Popular/Rock/Classical/Jazz/electronic music/Hip Hop?? and lyrics synchronized display. Can read a novel while listing to music.</br>Multi-function: uninterrupted time display(so it can to be a watches)?? video display?? FM radio?? Stopwatch??E-book??Lock key?? clock?? perpetual calendar etc. More features?? and expect you to explore!</br></br>Product Description</br></br><b>This music player has longer playback time. The lyrics can synchronous display with the music.</b><br> After 3-4 hours fully charged?? the longest playback time is up to 80 hours! Never be bothered by powers off during your longtime j"ting!<br><br> <b>Support headset switch songs:</b><br> Easy operation?? switch songs?? can be achieved only through headphones(note:the headphone support switch songs).<br><br> <b>Clear lossless stereo sound</b><br> The High fidelity lossless sound?? support audio formats: MP3?? WMA?? OGG?? WAV?? APE?? FLAC?? and ACELP (Do not support Audible and WMA DRM directly because of intellectual property rights. Please convert them before loading). Enjoy music is so fun.<br> also allow you to listen Audiobooks. You can close eyes and enjoy books now<br><br> <b>16GB Large Capacity ??Memory card slot support 64GB</b><br> Built in 16GB memory??The memory card slot can support 64GB?? and can store more music or other files. So needn't to worry that it hasn't enough space to store abundant files.<br><br> <b>One Key To Lock Button</b>