The Comfort Curve Keyboard 3000 is ergonomist approved and helps provide a more natural wrist position that just feels right from the first time you use it. The slim, glossy design saves space and makes a statement on your desktop All the keys are the same size and in a familiar place, even with the Comfort Curve. The slim, glossy design saves space and makes a statement on your desktop Easy-Access Media Keys: Control your music and videos, and open the Calculator with the touch of a key System Requirements: Microsoft Windows XP, Microsoft Windows 7, Microsoft Windows Vista Connection: USB 1.5m cable included Warranty: 3 years Dimensions (WxDxH): 470x175x33mm Weight: 0.6kg