Sold as 1 Each. Evoluent keyboard is suitable for everyday home or office computing. Ergonomic keyboard positions hands naturally. Comes in black color. Wired keyboard for lag-free input. USB connectivity makes it compatible with a wide range of modern devices. 12 additional hot keys. Convenient plug-and-play allows instant installation. Works on Microsoft Windows XP, 7, 8, 10, UNIX, Linux. Scissor-switch keyboard provides a better typing response.