Have speed, precision, and comfort when working with numbers with the black-colored Microsoft Wireless Bluetooth Number Pad. Featuring a thin and lightweight design, this calculator-style numeric keypad can pair with up to three Bluetooth 5.0-compatible devices and is backward compatible with Bluetooth 4.0. It works especially well alongside compact keyboards and Windows 10 or 8.1 laptops, with 1.35mm scissor switch keys to help ensure smooth operation. Downloading and installing the Microsoft Mouse and Keyboard Center software allows you to program the keys with custom macros and frequently used symbols. The keypad has a range of up to 33' in open areas and 17' in typical office environments. It's also designed to operate for up to two years using a single included CR2032 coin battery. Once you're done number crunching, you can quickly pack the keypad away in a bag or pocket.