Logitech Wireless Marathon Mouse M705 With 3-year Battery Life Hand Orientation: Right Hand Maximum dpi: 1000 dpi Power Supply: 2 x AA Batteries Operating Time: 3 years maximum * * Depending on operating environment and condition. Distance: About 32 feet Operating System Supported: Windows 7, Windows 8, Windows 10, Windows XP, Windows Vista, Mac OS X 10.5 or later, Chrome OS System Requirement: USB port