Auawak Rapoo 8200P 5G Multimedia Programmable Wireless Keyboard and Mouse Combo for Laptops Desktops PC - White Reliable 5G wireless transmission results in less interference from other wireless, Bluetooth and Wi-Fi devices. Multimedia hotkeys give you quick access to functions like media player, homepage, volume adjustment and more. With Rapoo's latest energy saving technology, you can use your keyboard without power interruption for up to 12 months on a single battery. Spill-resistant design of the keyboard, so you don't have to worry about the keyboard stop working with accidental spills. You can update the firmware program in the driver to optimise your Keyboard performance (the firmware program can be downloaded from the our website: " http://www.rapoo.cn/DownLoad.aspx?pid=127&did=275 ").