Tap your desktop keyboard into an iphone or ipad. The cs533 is a control unit that allows access to one computer and two bluetooth devices from a usb keyboard and mouse. The cs533 tap converts normal usb keyboard and mouse signals into bluetooth connections to allow for easy sharing between your computer and bluetooth devices. The cs533 tap eliminates the need to purchase a bluetooth keyboard or mouse for your bluetooth devices, saving you valuable work space, allowing you to use your favorite multimedia keyboard with all your bluetooth devices.