... : MP3, WMA, DRM, WAV, OGG, APE, FLAC, AAC System Support: Win98, WIN7, MAC, ME, NT, XP, 2000 Battery: Lithium, 3.7V ... , AACText Format : TXTPicture Format : JPEG, BMP, GIF, TIF, PNGSystem Support : Win98, ME, NT, 2000, XP, WIN 7, MACPicture Resolution : 4.3inch ...