Screen size 128 x 64. Stores up to 4,000 tracks. 13 hours playback. DRM 9 compatible. Rechargeable via USB port. Size (H)8.6, (W)2.6, (D)1.1cm. 2 colour OLED display. 2.0 USB port. 8GB memory. MP3/WMA compatible. Repeat, play functions. USB cable supplied. Minimum PC specification: Microsoft Windows 98 SE, Windows ME, Windows 2000, Windows XP. CPU: Intel Pentium 3, Pentium 4 and other CPU with relevant functions. RAM: 64MB or above. Hard disk Space: 200MB idle memory or above. Micro SD card slot. Stereo headphones. Built-in rechargeable lithium battery. Weight 29g.