Wireless Keyboard & Mouse Genius KM-8200, 12 Fn keys, Spill resistant, Chocolate keycap, 1000dpi, 3 buttons, 1xAAA/1xAA, 2.4Ghz, EN/RU, Black/Grey. Model name Smart KM-8200RF Frequency 2.4 GHzKeycap type ChocolateMulti-Device 3Function keys Yes, 12 (8 audio, 4 Internet)Multimedia keys NoMouse sensor engine OpticalMouse resolution (DPI) 1000Mouse number of buttons 3 (left, right, middle button with scroll) Weight (g) Keyboard: Approx. 422.5 g (without battery) Mouse: Approx. 54.5 g (without battery)Dimensions (W x H x D) mm (inches) Keyboard: 446.40 x 133.31 x 23.25 mm (17.57 x 5.25 x 0.92 inches) Mouse: 97 x 55 x 35 mm (3.82 x 2.17 x 1.38 inches)SmartGenius APP Yes, Windows 7, 8, 8.1, 10 / macOS X 10.10 ~ 10.15 SmartGenius App for WIN Download SmartGenius App for MAC DownloadSystem requirements Windows® 7, 8, 8.1, 10 / Mac OS X 10.10~10.15Colors BlackWhat's included Smart KM-8200 Wireless keyboard Smart KM-8200 Wireless mouse USB pico receiver x1 AAA alkaline battery for keyboard x1 AA alkaline battery for mouse x1 Multi-language quick guide