Logitech Mouse and Keyboard Set MK245nBK Wireless Combo Solid Black MK245 (Domestic Genuine Product)

A simple keyboard without a numeric keypad. A mouse with an optical sensor for smooth cursor control. The included AAA batteries provide up to 3 years of battery life for the keyboard and up to 1 year for the mouse. Included mouse specifications: Mouse dimensions: 100.6mm (W) x 60.6mm (D) x 31.5mm (H) Mouse weight: 53g (excluding batteries) Sensor type: Optical Resolution dpi: 1000 Number of buttons: 3 Scroll wheel: Yes Tilt function: No Battery: 2 x AAA batteries (12-month lifespan) Compatible OS: Windows Vista/Windows XP/Windows 7/Windows 8/Windows 10/Chrome OS