The Targus Numeric Keypad with USB Hub provides convenience for mobile users with its slim and compact design. The extra "000" and "Back Space" keys allow for improved productivity and more efficient typing. The full size concave keys are designed for comfort and accuracy and require little or no learning curve. The two USB ports at the top of this keypad provide added connectivity for other devices like a mouse or a flash drive. This value-priced keypad is perfect for use when working on spreadsheets, accounting or financial applications.