TechWareLabs says this is a very nice mouse that is smooth and comfortable and indeed very silent.

"There are lot of things to consider when buying a new mouse. Most look at comfort first. Others will look at DPI and polling and all sorts of fancy gaming stuff. But have you ever considered noise? Well the guys over at Nexus have. Here we have the Nexus Silent Mouse. It's silent. As in no clicking sound. The idea is that professionals and noise haters can work in piece and quiet without that obnoxious clicking sound to distract them (they specifically mention TV and Music studios). If silence is what you're after read on for a more in depth look at the Nexus Silent Mouse."



Link: TWL