The Battery Operated Stroller Fan by Dream baby is a versatile and convenient portable fan designed for use indoors or outdoors. With a sleek rectangular shape and a compact 3-inch diameter, this fan is perfect for on-the-go use. It operates on both USB and battery power, with three speeds to choose from for personalized comfort. The fan features a clip-on tripod for easy mounting on a stroller or handheld for personal use. Made of durable ABS plastic, this mini fan is a practical and efficient solution for keeping cool in any room.