under 15"! This Super slim and lightweight cooler is perfect for the users who carry laptop anywhere. Its unique slim, small and lightweight design plus 2 extra USB ports give you more storage access. The NB-490 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 Mac, PC notebooks, and Netbooks with screens under 15", light and slim with extra USB for your convenience while travelling.