The Rapoo E9310M Multi Device Wireless Keyboard is a compact and ultra-slim keyboard designed for use with a variety of devices including PCs, laptops, tablets, and smartphones. With a sleek black aluminum alloy construction and a convenient 99 key layout, this keyboard offers a comfortable and efficient typing experience. Compatible with Windows, Mac, Linux, and Chrome systems, it features wireless connectivity options such as Bluetooth and RF, as well as a built-in 500mAh lithium-polymer battery with up to 90 days of battery life. The keyboard also includes media keys, enhanced function keys, and quiet keys for a smooth and convenient use experience.