Connectland USB Numeric Keypad, USB 18 Key Number Numeric Keypad Keyboard for Laptop/Notebook PC Computer, Black

Designed to enhance the speed of data entry and accuracy of input. Helps reduce strain after a long work day on a laptop PC or desktop PC keyboard without proper numeric keys Features: * Powered by USB port 5V, 50mA max * Operating System Supported : Windows ME/2000/XP/2003/Vista