Plug and Play: This USB numpad adopts USB connection, and it supports plug and play, compatible with most systems. | Portable Size: This number keypad with ergonomic design is mini and portable. Quiet and comfortable when typing. | Ergonomic Design: This numeric keypad features ergonomic design that reduces wrist pressure and provides comfortable typing experience. | 4.9ft Length: This 18 key number pad is equipped with approximately 4.9ft wire, meeting your need. | Wide Application: This wired numeric keypad is suitable for laptop users, banks, financial security, business people.