Brand 2.4 GHZ Wireless Combo MK245 Nano (Solid Black) LOGICOOL wireless combo MK245 Nano mk245nbk

A simple keyboard with no numeric keypad
Optical sensor for smooth cursor operation
The included AAA battery allows the keyboard up to 3 years and the mouse has a battery life of up to 1 year
Included mouse/mouse body size (W x D x H): 3.9 x 2.4 x 1.2 inches (100.6 x 60.6 x 31.5 mm); Mouse weight: 1.9 oz (53 g) (excluding batteries); Sensor system: Optical resolution: dpi: 1000; Total buttons: 3; Scroll wheel: yes; Tilt function: None; Batteries: 2 x AAA batteries (12 x AAA batteries (12 months life)
Supported OS: Windows Vista, Windows XP, Windows 7, Windows 8, Windows 10, Chrome OS
Operation Distance: 32.8 ft (10 m), Number of Keys: 83
Wired/Wireless
Accessories: Keyboard body, mouse body, USB receiver, 2 AAA batteries (keyboard), 2 x AAA batteries (mouse), quick start guide, warranty regulations