2.4 GHz Multimedia Keyboard With Laser Trackball and Scroll Wheel. Enjoy the freedom of wireless connectivity with IOGEAR's slim and ergonomic wireless 2.4 GHz keyboard with built-in laser trackball. The 2.4 GHz wireless keyboard and laser trackball combo allows you to work up to 33 feet away from your computer. It's the ideal solution for the living room home entertainment and computer enthusiast; also a perfect solution for meeting room presentation needs. Great for HTPC Home Theater PC's setups or MCE Windows Media Center applications