8 inch USB Desk Fan with Solar Panels 6W/6V, USB Powered ONLY (No Battery), Enhanced Airflow, Lower Noise, Two Speeds, Perfect Personal Cooling Fan for Home Office Table Car

https://www.amazon.com/dp/B07TL9XYZM

This desk fan reaches the limited size that a 5V USB power source can drive. With 6W/6V solar panels, the fan produces so much air and runs very quietly. No battery.

The Solar panels can charge for mobile phone, mp3/4, powerbank when sunshine, it buit-in Voltage regulator IC,protect your electronic device.

Fan compatible with computers, laptops, portable chargers and other devices with usb output. Powered Only by a USB cable. For better performance, 2A USB port is highly recommend.

The operating efficiency of fan will depend on the sunlight intensity while it plugged to the solar panel,One speed:950RPM, Two speed:1520RPM

With adjustable support stand, you can place it stably on the table and make this mini fan in a convenient angle