ELUTENG Dual 40mm USB Fan with 3 Speeds Adjustable 5V PC Fan Max 5500RPM 40mm * 40mm * 25mm Mini Case Fan Quiet Computer Fan Compatible for PC, TV Box, Router, Xbox, PlayStation electronics_best_sellers_Jan2025 as well as free technical

as well as free technical and customer support

You can easily switch between them or adjust some specification to your need by simply pressing buttons

Diameter of the head: 8mm/0

Bluetooth 5: Go faster

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ELUTENG Dual 40mm USB Fan with 3 Speeds Adjustable 5V PC Fan Max 5500RPM 40mm * 40mm * 25mm Mini Case Fan Quiet Computer Fan Compatible for PC, TV Box, Router, Xbox, PlayStation electronics_best_sellers_Jan2025 as well as free technicalELUTENG Dual 40mm USB Fan with 3 Speeds Adjustable 5V PC Fan Max 5500RPM 40mm * 40mm * 25mm Mini Case Fan Quiet Computer Fan Compatible for PC, TV Box, Router, Xbox, PlayStation Product Features 40mm Mini DesignProduct size is 40 * 40 * 25mm (exclude metal frame). With a design of mini and lightweight, this usb fan can be used in narrow places such as computer hosts, routers, etc. It can also be placed in a small gap on a desk or computer to cool down