? & ?Plug and play USB computer keyboard, no drivers or software required.Work perfectly for Windows 11/10/8/7/XP, Mac OS, and Windows VISTA. Every product from Virfour will enjoy lifetime care. If your silent keyboard has any problem, all you need to do is contact our team (click on the store name). ?- ?The waterproofness of our USB keyboard is carefully designed, and the sealed film circuit is used to prevent accidental splashing. The waterproof effect is good, so you don't have to worry about splash with coffee and tea. ? ?The USB keyboard angle is adjustable with flip out legs, supporting your hands in a more ergonomic gesture to relieve fatigue and ensure comfortable typing experience. The operation is smoother, more suitable for finger pressing, and enjoys faster input speed. ? ?With noise reduction design, no matter you are working in a quiet office or late at night, you don't need to worry about disturbing other people around you, because the clicking noise of Virfour usb keyboard is reduced by 50%. ? ?Multimedia USB Computer Keyboard boost your workflow and simply how you use your computer with number pad, 13 independent shortcut buttons, 12 combined multimedia keys, including video, volume, surfing, email etc. ? ?Don't have to be familiar with the new keys, USB wired keyboard is super easy to use, it works instantly with any USB devices, no driver needed, no need to worry about interference that breaks your connection, no charging or battery consumption.