Rapoo | 8900P 5G Wireless Ultra Slim Multimedia Touch Keyboard & Mouse Combo (Nano Receiver) / 12 Months Battery Life This ultra-thin 4mm thick keyboard received the IF Award, the major international industrial design award. The mouse ergonomic full-size design enhances grip comfort, high-definition laser engine freely adjusts between 800 and 1600 CPI and advanced programmable-buttons let you set a hotkey for The multimedia keys provide tactile feedback vibration. Touch it and feel it. The key lights turn on when your fingers approach the touch area, helping you full control even in the dark. The stainless steel base, accurate scissor key structure and floating chiclet buttons make the keyboard durable, fashionable and reliable. Reliable 5G wireless transmission guarantees the least interference with other devices.