Folding Keyboard with Numeric KeypadUpgrade equipped with numeric keyboard to facilitate quick calculation and numeric input. Update richer and more practical multimedia shortcut functions to make your work more convenient and efficient! Upgrade Tpye-C fast charge, only 2 hours charging can work 60 hours or standby 560 hours. Dual Connection Modes You can connect the keyboard with your device via Bluetooth or USB cable. Your device will prioritize to recognize the USB wired mode when you connect at the same time. When you remove the usb cable, the keyboard will automatically switch to bluetooth mode. Sync up to 4 DevicesCompatible with many systems, like Windows, Mac OS, iOS or Android devices that has bluetooth.You can pair up to 4 devices such as cellphone, tablet and laptop with the triple bluetooth & USB wired channels simultaneously. Scissor-Switches Quiet TypingThe quiet and responsive scissor switches low-profile keys offer fluid, laptop-like efficiently typing. A great wireless foldable keyboard that remove over 90% of disruptive sounds and keep the familiar typing feel. Upgraded Function KeysBluetooth keyboard provides you with very comfortable and pleasing typing experience. Equipped with general function keys and multimedia function keys, you can easily perform operations from copy/paste, music playback to volume adjustment. Warm TipsPlease check whether product is damaged after receiving the goods, and recommend fully charged before first using.