Compatible with Windows, Linux, Mac OS, Android and IOS system. Please set up in windows system first, then you can freely use it in different device. Rechargable: 2 hours full charge can hold up 3 mouths use. If it is in low battery, the led light will flash interval 3 seconds to remind you. Type C to USB Nylon Braided Cable: You can use it connect the keyboard to your computer. Also charge the keyboard by using this cable. Our 3 key keypad is built for durability. ABS construction and keys that can endure up to 50 million strokes. Mechanical switches make every word you type bouncy. Wireless: Wireless distance: 33 feet. Delivers pro-grade performance with flexibility and freedom from cords. More wider range of applications. This keyboard is programmable, can be set as any hot key or short cut that meet your need.