About this item 【USB Computer Fan】Suitable for RV fans / PC computer case / servers / Router /household appliances / industrial equipment / medical equipment and small spaces that require ventilation 【2-in-1 Controller】Plug and Play, very convenient, can place the fan horizontally or vertically.2 fans can be used separately or connected together for speed control, USB plug can be used to power the fan through the USB port of the electronics. 【Quiet 140mm Cooler】Low-Speed silent fan, equipped with a multi-speed controller to set the fan’s speed to optimal noise and airflow levels. .
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