Faster Data Input: Low-Profile Key Design of the numeric keypad Allows for Convenient Data Input Ideal for Spreadsheet, Accounting and Financial Applications. SLIM & COMPACT of NUMBER NUMPAD: Because of ultra-slim and travel-friendly features,usb numeric pad can give yourself the option to travel anywhere with the flip-out cable manager brackets with our usb numeric keyboard. UNIVERSAL COMPATIBILITY: the usb numeric keypad is compatible with any computer with a USB Port (Mac OS X v10 6 or later Windows 7/8/10/XP/Vista). Easy to use NUMERIC KEYPAD: COMFORTABLE TO USE With 18 full-size keys (enhanced with scissor switches and quiet keycaps) the numeric keypad is easy and comfortable to use It is the PERFECT ADD ON accessory for those who use laptops. Besides, Numeric keypad supports NumLock. Simple setup of NUMBER KEYBOARD: The usb numeric pad easy to get started, just plug the receiver into a USB port and start crunching numbers right away. No drivers required. USB port required.