Multi-Device Wireless keyboard: Support two connection methods: 2.4G and Bluetooth(BT3.0+BT5.0) It has the function of connecting devices with Android, Windows, and Mac systems at the same time. It could keep stablely connecting on different devices and easy to switch. Elegant and Exquisite Design:This keyboard is thin and beautiful with new colors. It uses a matte silver material and a white particle non-slip chassis. The keyboard back stand is very ergonomic and can help you reduce wrist pressure caused by long-time typing.