[The Biggest USB Fan] This desk fan reaches the limited size that a 5V USB power source can drive. With OPOLAR's latest dynamic technology, the fan produces so much air and runs very quietly.
[High Compatibility] Compatible with computers, laptops, portable chargers and other devices with usb output. Powered by a 3.9 Ft usb cable.
[Power Saving] Goodbye AC fans, this DC 5V USB fan only consumes 4 watt on the highest speed. This USB fan saves around 95% power than traditional AC fans.
[Metal Construction and Quiet Plastic Blades] We use the industrial grade metal frame to enhance the construction and plastic blades to lower the noise. Two speeds for your choice.
[Adjustable Tilt and One Year Warranty] The sturdy metal frame could be adjusted 360 degree up and down, adjusting the wind direction easily according to your height or position. OPOLAR offers one year warranty against defects.