Logitech Bluetooth Multi-Device Keyboard K480 for Computers. Tablets and Smartphones. Black - 920-006342 (Certified Refurbished) Sold as 1 Each. Type-on-anything universal Bluetooth keyboard?computer, smartphone or tablet. Just turn the Easy-Switch dial to switch typing between three connected Bluetooth wireless devices. Built-in cradle holds your smartphone/tablet at the ideal angle for viewing/typing. Familiar keyboard layout for computer, tablet and smartphone users?with all the shortcut keys you need.