HP PS/2 Optical Scroll Mouse PS/2 Optical mice

PS/2 Optical Scroll Mouse - Most compelling reasons are, PS/2 more secure than USB, optical better than mechanical for tracking, easy use plus easy cleaning. Customers are migrating now making PS/2 the preferred standard over the 2 button scroll.
- Improves precision by using optical tracking
- Provides more durability and easier maintenance by eliminating moving parts
- Comfortable design fits either hand
- Wheel permits easy scrolling, functions as third button