The portable cooling fan come with a nylon material belt. The belt width is 1.25inch and the length is adjustable, suitable for waist sizes of 20-65inch. 8000mAh rechargeable battery, working for 12h at low speed, 9h at medium speed, and 5h at high speed. Wearing the body fan on the waist in hot weather, it feels like a portable air conditioner. The waist fan is composed of 3 connected sections that can bend according to the curvature of the waist to fit the body, making it more comfortable to use. Features dual air outlets, bring you double coolness in hot summer outdoor. Even the wearable fan can be placed on the front or back waist for blowing. The personal fan is worn around the waist, freeing up hands. It is suitable for outdoor activities such as couriers, construction workers, anglers, hikers and more. Bringing you endless coolness in the summer outdoors.