Battery Size: AA
Computer Connectivity: Windows
Number Of Batteries Required: 1
On/Off Switch: No
Brand Compatibility: PC
Model Compatibility: Windows-based PCs
System Requirements: Windows XP, Windows Vista, Windows 7, Windows 8, USB port, internet connection
Color: Black and Blue
Full-size 19mm keys Number Pad improves speed and accuracy by making it easier to locate and press the numbers you are looking for.
Numeric keypad supports NumLock.
QUIET SOFT TOUCH: Integrated ergonomic tilt provides added comfort which helps reduce strain, great for those working on spreadsheets, accounting files or financial applications.
COMPATIBILITY: Works with PC and desktop computers that have Windows 2000, XP, Vista, or Windows 7 operating systems.