Connectivity : 2.4 GHz wireless via USB-A receiver Wireless Range : Up to 10 meters Compatibility : Windows 10 and 11 Keyboard Layout : Full-size with 2.5-zone layout Mouse Sensor : Optical, 1600 DPI Mouse Buttons : 3 (left, right, and scroll wheel) LED Indicators : Caps Lock, Num Lock, Scroll Lock Battery Type : 1 x AAA