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. 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. 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) 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. Faster Data Input: Low-Profile Key Design of the numeric keypad Allows for Convenient Data Input Ideal for Spreadsheet, Accounting and Financial Applications. Numeric Keypad for Laptop,18 Key USB Keypad, Numerical Keypad Wired Portable Ultra Slim Mini Numpad External Numbers Keyboard Pad teclado numerico for Laptop PC Computer Desktop Surface pro Notebook The Numeric Keypad provides convenience for Notebook users with its slim and compact design. You work hard and we know it, so we spend hundreds of hours learning about how people work, and what they need to perform at their best: The numeric keypad can be attached to your computer or to a kiosk, creating a dedicated space for numeric data entry. Perfect For Extending Your Keyboard Numeric key mode, "Enter" shows the results of calculation, "=" can be used for simple function calculation. Hope DFmicro Numeric Keypad CAN offer more convenience to all users. Color:Black Specifications Key Specs Computer Connectivity: Windows Interface(s): USB On/Off Switch: No Compatibility Compatibility: PC& Model Compatibility: Windows-based PCs System Requirements: Windows 2000/ Me/ 98/ XP /Vista/ 7/ 8/10 system&Mac OS X v10 6 internet connection General Color: Black Dimension Height:4.92 inch Width:3.23 inch Weight: 130g PACKAGE INCLUDED: * 1 x 18 Keys Numeric Keypad. * 1 x USB CABLE.