Ultra-slim Multi-mode Wireless Keyboard & Mouse Combo • Connect via Bluetooth 3.0, 4.0 and 2.4 GHz • Intelligently switch among up to multiple devices • Ergonomic design for right hand • 4 levels 600-1600 DPI adjustable tracking engine, switch with one click • Precision on nearly every surface • Ultra-slim 4.5 mm design • Aluminum alloy frame and back base • Fn multimedia hotkeys • Chiclet keys and scissor key structure • Nano USB receiver, plug and play • Up to 12 months battery life