WORK FROM ANYWHERE: This slim Bluetooth wireless keyboard works with computers, laptops, phones or tablets-with a lightweight design, minimalist-size layout, so you can multitask at home or on the go. TYPE ON ANYTHING: connects to all Bluetooth wireless devices with external keyboard support. Map keys and layouts for Windows, Mac, Chrome OS, Android, iOS, and even Apple TV. EASY-SWITCH & TYPE: Pair with up to three devices?even with different operating systems? and switch between them with a tap. So you can type, switch, and keep on typing. Programmable multimedia keys. COMFORTABLE LAPTOP-STYLE TYPING: extra-small keyboard footprint allows for less arm reaching and better body posture. Scooped, low-profile keys offer a fluid, quiet, familiar laptop-style typing. WORRY-FREE 2-YEAR BATTERY LIFE: Two years, two AAA alkaline batteries?pre-installed. With smart auto power-saving technology and on/off button. Durable and resistant frame with QWERTY Layout.