Stores up to 1,000 WMA tracks. Up to 10 hours playback. Portable solid state. 2GB memory. MP3/WMA compatible. Sequential, random functions. Minimum PC specification: P3, 333Mhz, 10GB, 256RAM. In ear headphones (supplied). 1 x AAA battery (supplied). Size (H)9, (W)3, (D)2. Weight 20g.