The 198i K21 Mechanical Numeric Keyboard is a sleek black keyboard with illuminated keys and a plug-and-play connectivity option. Featuring a USB interface, this keyboard is designed for efficient typing with its mechanical keys providing a tactile feel. It is perfect for users who require a keyboard with a numeric keypad, making it ideal for accounting, banking, or any profession that involves a lot of number input. The English keyboard language ensures easy use for a wide range of users.