AC Infinity MULTIFAN S4, Quiet 140mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling

* Ultra-quiet UL-certified USB fan designed to cool various electronics and components. * Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels. * Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright. * USB plug can power the fan through USB ports found behind popular AV electronics and game consoles. * Fan Size: 5.5 x 5.5 x 1 in. | Airflow: 57 CFM | Noise: 18 dBA | Bearings: Dual Ball