The Apple Pro Mouse is an early version of Apple's now almost perfected USB based mouse. This isn't a mouse that I would consider using any longer, as compared to the newer Apple Mouses like the Mighty Mouse, it's not very useful. It is USB based, which is rare for a mouse that is 10 years old or more, and shares the same look and general feel of the newer Apple mouses as well. It doesn't feature any buttons or a track ball, and really lacks any special features or anything behind being a simple mouse. Since it's of course designed for use with Apple computers, it doesn't have a right click option and only features the one push down button which is the entire mouse. For simple tasks it will still do the job, but having used one again recently, it's just not the same when you've become use to the Mighty Mouse. I can see how it could be useful for simple internet browsing and other simple tasks, but it's simply no longer adequate to use with your DAW, or at least it's not a mouse that I would find acceptable by modern standards. The upside is that you can get an Apple Pro Mouse virtually for free since there are a few updated versions of it that are also pretty cheap and much more useful. I still do have one of these at home, but doubt I'll ever use it again unless my Mighty Mouse breaks and need it for a few days until I can replace it. If you're doing any amount of work in a DAW or any other in depth computer work, this isn't going to be an adequate mouse considering the other options out there, however, the Pro Mouse will still be just fine for simple computer use...