COWEEN Laptop Cooling Pad 15.6 Inch 2 Radiator Cooling Stand Fan for Notebook Computer Dual fans.Along with a ventilated grille help dissipate heat, so your laptop remains cool during operation. The fans are positioned directly under the CPU and work with efficient, whisper-quiet operation. This portable laptop cooling pad fans is lightweight and is designed to fit suitcases for easy travel or business trip. Compatible with most laptops up to 15.6".For use with all kinds of laptop. No batteries are required; simply plug it into your laptop's USB port. With Chinese package.