This 26-key numeric keypad incorporates 9 hot keys for integrated calculator functions and functions as a desktop calculator and numeric keypad. Built to withstand up to 20 million strokes per key, utilizing key-gear technology for sharp tactile feedback. Our quiet-type key technology virtually eliminates unwanted keystroke clatter and noise while a built-in 2 port USB hub provides additional room for desktop accessories like a mouse, cooling pad, etc. Includes a retractable cable to compress down for travel.