Logitech Cordless 2.4 GHz Presenter™, USB, Black Logitech Cordless 2.4 GHz Presenter™. Wireless receiver interface: USB. Product color: Black. Battery technology: Alkaline, Battery type: AAA. Compatible operating systems: Microsoft Windows 98SE, 2000, Me or XP Introduced a year ago, the Logitech Cordless 2.4-GHz Presenter is still at the top of our list because of its unique combination of simplicity and power. The pointer itself is slender and fits well in your hand. The three most useful buttons (laser, pa... Cordless 2.4GHz Presenter $79.95 • Logitech (800) 231-7717; (510) 795-8500 www.logitech.comA handy remote for controlling Microsoft PowerPoint presentations, the new Logitech Cordless 2.4GHz Presenter features a built-in timer and has an operating di...