... touch screen 2. MP3/MP4 function 3. Support up to 16GB 4. Synchronous lyrics display oled mp4 watch playerDigital student MP4 Player Watch,New original MP4 ... watch, video record, MP3/ MP4 player,Strong storage of ... WBMP, WMF, JPEG, PNGThe conversion of picture formats supported: BMP, GIF, ICO, TGA, PCX, WBMP, WMF, JPEG, ...