Quiet, membrane key switches. Membrane key switch technology is a top of the line design when it comes to keyboards. With the smooth quiet action of the membrane keys, you can input faster than you ever imagined smoothly and quietly with with minimal clicking and noise. In addition, the key switches are rated at 5 million keystrokes with a 45-50 actuation force. Plug and Play. Simply plug the Adesso AKB-132HB keyboard into a USB port and you will be up and running. No drivers required, works with Windows or Mac OS. Built-in USB hub. The built-in USB hub has three USB ports add easy access and convenience for input devices like flash drives or a mouse. Multimedia and Internet hotkey shortcuts. Control your media player and browse the Internet with just one key using the built-in Multimedia and Internet hotkeys for easy access to your favorite media or websites.