Portable Waist Fan 3600mAh Rechargeable, Necklace Fan With Max 20H Working Time 5 Speeds 6000RPM Strong Airflow Personal Fan

--Cool and Portable: The waist fan creates airflow inside clothes to lower body temperature, and can also be worn around the neck for extra cooling in summer.--Long Working Time: Powered by a 3600mAh polymer battery, this fan offers 5 speeds and can run for up to 20 hours on low, 10 hours on medium, and 5 hours on high speed.--Compact and B Charging: With dimensions of 99 x 70 x 89mm and weighing 250g, this fan supports 2A fast charging via B, making it convenient to recharge in about 3.5 hours.--Powerful speed: The built-in motor of the portable clip-on fan reaches speeds up to 6000 RPM while maintaining low noise (