HAVIT F9 Vacuum USB Air Extracting Super Cooling Fan Cooler ,Radiators ,CPU Cooler, Fan Heat Sink for Notebook, Laptop (Black) Domineering appearance, typhoon engine, instant and lowering the body temperature ABS material shell, quality be as solid as rocks Exhaust type radiator, portable and easy to carry, to play the leading role USB line connected, boot automatic operation, convenient and simple All HAVIT products are backed by a full 1 year manufacturer's warranty