Control a wide range of systems with the compact and convenient Dell KB740 Compact Multi-Device Wireless Keyboard. Ideal for users who work within multiple environments, the KB740 gives you all the keys you need to complete your tasks with ease. Equipped with 2.4 GHz and Bluetooth technologies, you can use the KB740 on a wide range of Windows, macOS, Linux, Ubuntu, and Chrome devices. A full range of scissor key switches include a dedicated numeric keypad, giving you a comfortable typing experience. You also get built-in hotkey media functions including volume controls. Providing you with safe and secure communications, the connection between the KB740 and your device meets AES-128 encryption compliance. The KB740 operates on just two AA batteries and gives you a long-lasting lifespan of up to 36 months.