Elftear 18 Keys 2.4G Wireless USB Numeric Keypad for MacLaptop Tablet Desktop PC Computer Compatible with Windows and OS System Up to 10 meters working range. Plug and play,it does not need install device drivers. The keypad goes into hibernation, no power button needed. Numeric keyboard with 18 keys, Ideal for notebooks without a number pad Keys operate smoothly. Compatible with Win 7 8 10 Xp 2000 Vista, iOS System.