Microsoft 2.4GHz RF Wireless Mouse 1000 Both Hands 1000DPI Hand Orientation: Both Hands Maximum dpi: 1000 dpi Power Supply: 1 x AA Battery Operating Time: 10 Months Operating System Supported: Requires a PC that meets the requirements for and has installed one of these operating systems: Windows 7, Windows Vista, Windows XP (excluding Windows XP 64-bit) System Requirement: USB port Package Contents: Mouse(battery included),User Document |