E-3LUE Cobra Wired Gaming Keyboard & Mouse Bundles/Combos+USB Cable interface by Koolertron Aircraft Wing concept ergonomically designed for Right-handed Gamers Adjustable DPI Switch: 500 / 1250 / 1750 / 2500 Avago high-performance Optical Navigation Gaming Sensor Extra long braided Fiber-cloth Cable with Custom-designed USB Plug Blue Wave Sensor perfectly works on any Surface