CHARMP mini waist fan with 6000mAh battery. Battery capacity: 6000mAh. Powerful Airflow: This waist fan doubles as a waist fan and neck fan, providing a strong airflow to quickly cool you down. With its upgraded motor running at 6200rpm, it generates a 7.5m/s airflow, 32% more powerful than other portable cooling fans, ensuring rapid from hot flashes.
eBay