OPOLAR 9 inch USB Desk Fan

🔥High Compatibility - Compatible with computers, laptops, portable chargers and other devices with usb output. Powered Only by a USB cable.  🔥The powerful USB Fan - This desk fan reaches the limited size that a 5V USB power source can drive.  🔥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 - The sturdy metal frame could be adjusted 360 degree up and down, adjusting the wind direction easily according to your height or position. Ultra Quiet OPOLAR fan adopts brushless motor to keep its low noise, less than 40dB and keep a quiet environment for your work and sleep.   Easy To Clean With detachable metal frame, this fan is very easy to clean. USB Fan Powered by a 3.9 ft USB cable, com