The Macally rechargeable Bluetooth compact keyboard allows you to switch between three devices with the touch of a button. The keyboard is compatible with computers, tablets, and smartphones. The keyboard is wireless as it connects via Bluetooth, and features quiet keys for minimal noise. Additionally, the built-in battery ensures that you can use the keyboard for extended periods of time without worrying about running out of power. The keyboard is also portable, making it easy to transport and use in a variety of settings.