The Logitech K780 Multi-Device Wireless Keyboard is a compact and versatile keyboard that can be used with up to three devices at the same time. It features a comfortable and responsive key layout, as well as a built-in Easy-Switch button that allows you to easily switch between devices.The K780 is also compatible with a variety of operating systems, including Windows, macOS, Chrome OS, Android, and iOS. This makes it a great choice for gamers, students, and professionals who need to use multiple devices throughout the day.