ship from Japan Simple keyboard without numeric keypad A mouse that realizes smooth cursor operation with an optical sensor With the included AAA batteries, the keyboard has a battery life of up to 3 years, and the mouse has a battery life of up to 1 year. Attached mouse Mouse body size: Width 100.6 x Depth 60.6 x Height 31.5 mm Mouse weight: 53 g (excluding batteries) Sensor method: Optical Resolution dpi: 1000 Total number of buttons: 3 Scroll wheel: Yes Tilt Function: None Batteries used: AAA dry batteries x 2 (life 12 months) Compatible OS: Windows Vista/WindowsXP/Windows 7/Windows 8/Windows 10/Chrome OS Operating distance: 10m Wired / Wireless
