USB powered temperature controlled fan for electronics cooling Efficient cooling with a compact 8 cm USB powered fan. Three adjustable speeds and automatic temperature sensing help keep your devices at safe operating temperatures without manual intervention. Automatic on/off based on ambient temperature. The fan activates when set thresholds are reached and turns off as cooling is no longer needed, helping to reduce unnecessary power use. performance in a small form factor. Delivers up to 44 CFM of airflow at 5V USB power, providing steady cooling for small to medium electronics. Clear compatibility and flexible power. Designed for use with standard 5V USB power sources, making it suitable for desks, entertainment centers, and small electronics racks. Practical design for active devices. Ideal for devices that tend to overheat during extended use, such as routers, gaming consoles, streaming devices, NAS, and home office equipment. Size and build notes. 8 cm form factor fits compact spaces and tight setups. Material details are not specified by the manufacturer. Suggested use scenarios Home office: place the fan near a laptop dock, external hard drive, or under a monitor to prevent heat buildup during long work sessions. Entertainment center: position it to cool set boxes, gaming consoles, or streaming devices behind a TV stand, helping maintain performance during extended viewing or gaming. Network equipment rack or desk setup: use to keep a router, modem, or NAS cooler in a compact footprint, reducing the risk of throttling due to heat.