A wireless desk keyboard for your computer, tablet and smartphone. Requires 2xAAA batteries. Priced as listed OBO. Works with all Bluetooth devices: - Windows, Mac, or Chrome computer - Android or iOS mobile device Specific Features: - Screen Selector dial switches between 3 connected Bluetooth wireless devices - Has all the shortcut keys you use the most no matter what you're typing on - Built-in cradle holds your phone or tablet for you to read while you type - Cradle fits phones and tablets up to 10.5mm thick and 258mm wide