External-22-Keys-Keypad-for-Windows-w-USB-Connector

22 keys. Two USB hubs for low power devices, mice and USB memory sticks. Easy access keys: Tab, Escape and Backspace. Frequently needed symbols: , ( ) % $ Y L E c \ . Calculator functions: MS M+ MC MR will make use of MS calculator much easier as will clear (Esc) CE (Del) Backspace +/- 00 and = keys. Convenience of remaining detached from keyboard for optimal mouse keypad placement. Switch life 20 million cycles. Soft tactile feel. Operating force: 50g - 55g. Pre-travel: 2mm - 6mm. Total travel: 4mm - 5mm. System requirements: Windows XP, Windows Vista, Windows 7. Warranty: One year Proper audible feedback, hardcore number crunchers will enjoy ease of having numeric keypad at their workstation or attached to their notebooks. A proven design and years of longevity make the standard Goldtouch Adjustable Keyboard a leading recommendation among Risk Managers, Certified Professional Ergonomists, Physical Therapists and Occupational Therapists. Because a Goldtouch keyboard is designed to fit the range of body types, not just an average, the standard Goldtouch Adjustable Keyboard is the only keyboard designed to properly straighten the wrists and arms while aligning with the shoulders to achieve a neutral typing posture.