Topmate KM11 Gaming Keyboard and Mouse Combo Rainbow Backlit Wired Keyboard with 6400DPI Mouse Programmable Gaming Keyboard Mouse for Windows Office Laptop PC

Keyboard Technology Parameters Working voltage ?5±0.5V Keycap load ?52±7gf Working current ??300mA Total weight ?780g/1.72lb Key minimum resilience ??15gf Keyboard size ?445×176×22mm / 17.52×6.93×0.87in Keys life ??10 million times Key stroke?3.6±0.2mm / 0.14±0.0079in Mouse Technology Parameters Weight :82-90g / 0.18-0.19lb?USB cable not included? 125g-132g / 0.27-0.29lb?USB cable included? Temperature :0-40°C(normal temperature) Sensor :optical Humidity :?65%RH(normal pressure)USB Working voltage :5V±5% Size :126×69×42mm/4.96×2.7×1.65in DPI: 800/1600/2400/3200/4800/6400 (Corresponding DPI color can be adjusted in the mouse driver)