Logitech MK275 Combo (L920008535) LOGITECH Wireless Combo MK275 Combo Black RUS Type Keyboard + Mouse Radius 10 m (33ft) Keyboard Connectivity Technology Wireless Mouse Connectivity Technology Wireless Key mechanism Membrane Gaming Keyboard No Multimedia Keys Yes Type Of Sensor Optical Number Of Mouse Buttons 3 Num Lock Pad Yes Language ENG/RUS Max. Speed 1000 Wireless Dongle USB Type Of Battery 2 x AAA, 2 x AA Color Black Dimensions (Height x Width x Depth) Keyboard: 44 x 14 x 3 cm, Mouse: 10 x 5.8 x 3.4 cm Weight Keyboard: 480 gr, Mouse: 95 gr