1、Dual Channel: Card slot wireless keyboard adopts dual channel design. When connecting two devices, you only need to switch the position of the switch to achieve device connection switching. 2、Support System: BT keyboard supports for OS X,for Android,for Microsoft operating systems, and is equipped with hot keys and shortcut keys, which can be switched with a simple operation. 3、Card Slot Design: Wireless BT keyboard adopts a unique card slot design, which can play the role of supporting tablet and mobile phone. 4、High Sensitivity: The office keyboard adopts scissor foot structure, which is light, quick response, comfortable and excellent in hand, and can bring you a comfortable experience with just one click. 5、Small Portable: The wireless keyboard has a compact structure and is easy to carry and use, allowing you to enjoy a quiet typing experience anytime, anywhere, ergonomically designed and comfortable in the hand.