Ultra-quiet 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. | Dimensions: 3.2 x 3.2 x 1 in. | Airflow: 26 CFM | Noise: 17 dBA | Bearings: Dual Ball