Notebook case: Ultra-slimline, this toploader has a 15.6” laptop compartment and a front pocket which can be used to carry all those documents, cables, leads, accessories and files you need when it comes to teaching. With its adjustable and removable shoulder strap you can choose to carry it over your shoulder or the casual grip carrying handle gives you the option to carry it as a standard briefcase. Optical mouse: 800 dpi, USB connector, scroll wheel, Plug & Play.Compatibility Windows 98/ME/NT/2000/XP/Vista / Windows 7/8/8.1, Chromebook and MAC, 2 year warranty