Multi-mode Wireless Keyboard & Mouse Combo • Connect via Bluetooth 3.0, 5.0 and 2.4 GHz • Intelligently switch among up to multiple devices • Adjustable 600-1600 DPI sensor, 4 levels switch with one click • Precision on nearly every surface • Spill-resistant keyboard design • Fn multimedia hotkeys • 6 buttons including 2D scroll wheel • Nano USB receiver, plug and play • Up to 12 (keyboard) and 9 (mouse) months battery life