Description:1. 3 Level Adjustable Speed: USB Cooling Fan with speed switch, 3 level adjustable speed to meet different cooling needs, protect your devices and extend service life.2. L/M/H Speed Switch: Air volume:50/53/56 CFM; Rotating speed:1000/1250/1500 RPM; Choose different speed degree according to cooling needs.3. USB Powered: USB desk fan is perfect for cooling PC/Laptop/TV Box/Receiver/AV cabinet/PS4/Projector/Router. You can use it in any place with USB power supply. Not suggest connecting to USB hub.4. Metal Grill Protector: Metal grill on both sides, avoid injury to hand and cable damage by blade; Cable protective glue in corner, wear-resistant and not easy to break.5. High Quality Materials: Exquisite black spray metal grill, no rust and no fadin.
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