up to 20" ! This Super slim and lightweight cooler is perfect for the users who carry laptop anywhere. Its unique slim and lightweight design plus 2 extra USB ports give you more storage access. The NB-460 features two 70mm fans that generate cool air to keep the laptop running and to help prevent overheating efficiently. Rubber grips keep your laptop in place to provide a sturdy workspace. It has 2 power connector options for enthusiasts, a mini-USB BUS power and an option for a power adaptor to save a USB slot of your notebook. It fits up to 20", it is light and slim with extra USB for your convenience while travelling.