Description of Samsung YH820 / YH-820MC: 1.6 inch Color LCD screen displays 65,000 colors Supports MP3, WMA, and secure DRM formats Recorder for line in and voice SRS WOW optimization WMA DRM support USB 2.0 interface Smooth, intuitive GUI (Graphical User Interface) allows easy navigation Integrated MP3 encoder allows you to transfer tracks directly from a CD player Works with most Digital Download Music services powered by Microsoft's WMA and Janus Subscription DRM 7 DSP modes: SRS, TruBass, WOW, classic, jazz, rock and user EQ Simulated surround sound and bass boost deliver rich audio High-speed USB 2.0 interface for blazing transfer speeds Rechargeable battery provides up to 8 hours of playback Dimensions(WxHxD): 50 x 88.3 x 14 mm (1.97" x 3.47" x 0.55") Shipping Weight: 3 lb