?Widely Compatible?The mechanical number pad widely compatible with almost all operating systems with Windows,Mac,Linux,Android.(NOTE:The 10 key is not compatible with ChromeBook. And not fully compatible with Mac OS. Because Apple products do not support external function keys / buttons.). ?Standard 17 Keys Layout Numpad ?Mini size numeric keypad takes little space,the portable design with a detachable USB-C cable meets your needs to typing anywhere and then just put away in a drawer when you don't need to use it. ?PBT Dye-Sub Keycaps&White Backlit Effects?Instead of ABS keycaps ,the 10 key usb keypad go with a Dye Sublimation process and from extra thick PBT for great readability and pleasant touch. There are 6 light-up modes and 6 levels of brightness for choice.Please note: the lights are not visible through the keycaps. ?Ergonomic Design?The stepped keycaps and adjustable kickstand provide you with an ergonomic typing experience. Our number pad also as a great accessory for small laptops without a separate keypad.Unlike a traditional membrane number keypad for laptop,the Kisnt keypad is higher off the desk than the low profile keyboards most business computers come with.If you are sensitive to height, please check our height information carefully. ?Unique Mechanical Numeric Keypad Experience?Using a compact keyboard but don't have a number pad for numeric data entry?This Kisnt number pad solves the problem.Durable mechanical switches with 50 million keystroke life provide unmatched tactile responsiveness on brown switches.