The MULTIFAN S3 is a quiet 120mm USB cooling fan designed by AC Infinity for use with receivers, DVRs, computers, Xbox cabinets, and more. With a dual ball bearing design and a maximum fan speed of 1300 RPM, this fan can provide up to 52 CFM of maximum airflow volume. The fan is made of durable plastic material and comes in a sleek black color. It is powered by a 3 to 7V DC voltage source and backed by a 10-year manufacturer warranty, making it a reliable and long-lasting cooling solution for various electronic devices.