How long does it take to charge the Miady PF04 Electric Handheld Fan?

The Miady PF04 Electric Handheld Fan charges via a USB-C port, and the exact charging time may vary depending on the power source. On average, it takes approximately four to five hours to fully charge the fan's high-performance 5000mAh 21700 battery. You can use a laptop, power bank, AC adapter, or car charger to charge the fan. Once the fan is fully charged, it is ready for use and can provide up to 20 hours of usage on Speed 1, 11 hours on Speed 2, and 7 hours on Speed 3.
Original question and details
I just received my Miady PF04 Electric Handheld Fan and I'm wondering how long it will take to fully charge the battery before I can start using it.
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