[5000mah Large Capacity Power Bank]This Waist shirt fan is built with a 5000mah large capacity rechargeable battery, the portable waist fan supports up to 30 hours long working time while blowing out gentle wind at a low speed. The fan can be used as emergency power bank. [Portable Waist Fan with Flashlight 2 in 1]It's a portable USB waist fan with flashlight. When you work outside or for outdoor activities, take this portable fan and you'll get all the necessities! 100m ultra-long distance bright light, so you are not afraid of the dark. The fan can be used as an SOS alarm light. Portable Waist Fan Mini Waist Clip Fan USB Rechargeable Portable Waist Belt Fan Wireless Waist Fan with Power Bank and Lighting [Strong Airflow with 3 Speeds ]The shirt fan has a newly updated motor that blows at most 6.5m/s strong airflow. Ultra-strong wind takes away your body heat within seconds. The maximum wind is strong. The blowing distance is long. No more struggling when working or traveling under the sun.