• PlUG-and-PLAY device: no drivers required; USB port required.
• Full-size 19mm keys improve 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.
•  正品清华紫光免切换数字小键盘，即插即用！