Microsoft Natural Ergonomic Desktop 7000

Keyboard/Keypad Type: KeyboardKeyboard/Keypad Connectivity Technology: WirelessKeyboard/Keypad Wireless Technology: RFPointing Device Type: MousePointing Device Connectivity Technology: WirelessPointing Device Wireless Technology: RFMovement Detection: LaserScroller Type: Scroll WheelKeyboard/Keypad Host Interface: USBPointing Device Host Interface: USBOperating System(s): Mac OS X 10.2x - 10.4x (excluding Mac OS X 10.0 - 1 0.1) Windows Vista Windows 2000 with Service Pack 4 (SP4) or later Windows XP Professional/Professional 64 bit/Home Edition/Media Center Edition/Tablet PC EditionPackage Contents: Natural Ergonomic Desktop 7000 4 x AA Alkaline Batteries