This Antec Notebook Cooler TO GO features dual ball bearing fans measuring 76 mm in diameter. Designed for use with a notebook, this type of fan is perfect for keeping your device from overheating during extended use. The cooler is made of durable plastic and features a USB power connection, making it easy to use on the go. It is brand new in the box and ready to use. This product is a great addition to any computer setup and is manufactured in Togo.