Features Comfort Type angled keys for comfortable, relaxed wrist position Improved comfort without learning new key layout Light-action keys for easy touch typing Standard size uses less desk space than split-style keyboards Unmatched satisfaction guarantee--five-year warranty, toll-free technical support, and 90-day no-risk trial Stylish black keyboard with 104 keys USB and PS/2 connections for greater compatibility Warranty Comfort Type™ USB/PS2 Keyboard Black is backed by the Kensington 5-Year Warranty and free technical support.