GiSTEQ Wireless Touchpad Remote Control for Presentation and Multimedia PC Wireless touchpad allows you to control mouse pointer easily Intuitive Controls: Start/Stop slideshows, Backward/forward, mute, vol, fullscreen, left/right mouse button, etc Compatible with PowerPoint, XP Media Center Ed., TV Tuner Cards, etc. Radio Frequency: does not require line of sight, works from up to 40 ft away. Plug and Play - no driver needed. Just plug in the USB receiver and you can start using the remote within seconds