
Charging your COMFIER CO-F0221 Cordless Desktop Folding Fan is straightforward. When the is low, the first indicator light from the left will flash red. To charge, connect the USB cable that came with your fan to any USB power source, such as a portable power bank, a mobile phone charger, a laptop, or any other USB port. While charging, the red indicator light will stay on. During charging, you can use the low and medium fan speeds. Once the battery reaches 80% capacity, all fan speeds will be available. When the fan is fully charged, the indicator light will turn white. For optimal battery health, avoid letting the battery sit unpowered for extended periods. It is recommended to charge the fan at least every three months. If you encounter any issues or have further questions, please contact COMFIER customer service at supportus@comfier.com for assistance.


