BTC Wireless Media Control Keyboard with Trackball General Features: Wireless Integrated mouse and remote 2.4 GHz RF Technology Ergonomic design 2.4 GHz RF mini receiver with USB connector with range of up to 30 feet 16 Hot Keys for controlling MCE and multimedia functions Built-in 1000 dpi Laser Trackball with precision cursor movement MCE Start Button: one button to quickly launch Media Center PC functions RoHS compliant Certified for Windows Vista Hot Keys: Play Pause Stop Rew Fwd Previous Next Live TV Guide DVD Menu Volume + Volume - Mute Back More Record Regulatory Approvals: FCC ...