Mobile computer case for notebook 16" Soft inner walls to protect mobile computer from shock and scratches Rainproof Usable pockets for documents, and laptop accessories secured by zippers Sizeable space inside by internal organizer Arm belt For laptops up to 395x300x45 mm Weight: 0,87 kg Mouse Wireless Element Optical sensor 800/1200/1600 dpi 2.4GHz wireless technology Micro sized USB nano receiver, you can store the nano receiver inside the mouse built-in slot 3 functional buttons and scroll wheel 32 channels to avoid interferences Plug & Play : No need for drivers Only needs one AAA battery to operate Range: 5 to 10m