Device: A new type of wireless computer keyboard for your desk that also works with your tablet and smartphone; connect with any Bluetooth-enabled device with external keyboard support^ Dial: Simply turn the dial of the Logitech keyboard to switch typing between 3 connected Bluetooth wireless devices, you can work with Windows, macOS, Chrome OS, Android, and iPadOS^ Familiar Keyboard Layout: Find all the shortcut keys you use the most, but in a space-saving design that lets you place your mouse close to you, for less arm reaching and better posture^ Integrated Cradle: A cradle to hold your phone or tablet at just the right angle for you to read while you type; fits most phones and tablets up to 0.4 inches thick and 10 inches wide^ Reliable Power: This portable, wireless Bluetooth keyboard comes with 2 pre-installed AAA batteries which can last up to 24 months (2) and is compatible with wired, wireless or Bluetooth mice^ Durable and Spill-resistant: The wireless and compact keyboardis also spill-resistant (1) to survive small accidents; its a reliable and durable partner for your desk at home, or at work^ Upgrade toKeyboard: For more productivity and comfort, try thekeyboard with number pad for efficient data inputs, Bluetooth/USB, scooped keys, and cradle to hold your phone