Wireless Multimedia Laser Pointer Presenter 1. Red laser persenter 2. Page up/down 3. Teaching, Presentation 4. OEM/ODM 2.4G ... , lecture and other activities.* Portable, Elegant, LifestyleSupport system: Windows 2000,Windows XP,Windows Vista,Windows CE,Windows 7 Package list:1 * wireless persenter1 * USB receiver1 * User ...