Description : 3nd Generation MP3 Player : Toggle switch for sequence or random music playing > 100% Brand New with well package > Elegant Plated Aluminium Slim Case > Built-in 512MB-4G True Capacity SAMSUNG Flash Memory > Support MP3, WMA and WAV formats (comes with free software for audio format conversion utilities) > Rechargeable high quality and long life lithium battery > USB Port and extended cable for battery-recharging and music file transfer > Player acts as thumb drive for portable data backup/transfer/storage files > Compatibility: Supported Window XP; Window 2000 ,Vista Package: >512MB-4GB MP3 Music Player > Extended USB Cord > 2.5mm Plug Stereo Headphone> > CDROM utilities for audio conversion program > Quick Menu > Size 1.1"x1.6"x0.41" > Net weight of the player 0.53 oz