Antec Notebook Cooler (NB280) Two high-output 140 mm cooling fans deliver over 74 CFM of airflow As portable as your laptop, the NB280 is the perfect size for traveling in your briefcase, purse, or laptop case. The lightweight and slim NB280 is the cooler to take everywhere The adjustable height slides into five different incline levels. The easy-locking mechanism and the fold-up flap hold your computer securely and comfortably while you work. The integrated fan speed dial puts you in control, so you can switch between high airflow and silent computing at the simple turn of a dial. The pass-through USB port means you can power the NB280 Cooler through your laptop without losing a USB port. 1 year parts and labor warranty