When it comes to typing on a variety of devices, having a keyboard that can alternate between wired and Bluetooth connectivity can be your best friend. The Kensington KP400 Switchable Keyboard lets you work with a laptop, a tablet, or even a smartphone together so you can take productivity to a higher level. The keyboard is full-sized and includes a numeric keypad, providing you a professional typing experience whether you are using it with a PC, tablet or smartphone. The keyboard can be powered using either a detachable wired connection through a USB port on your laptop, or with batteries when it's in Bluetooth mode. Installation is simple and easy so you can start typing in no time at all.