Description: Feature: Summer Sun Visors Hat with Fan which is for kids/adults. Naturally fit the head, not tight, stable, and not easy to fall off. Adjustable : Outdoor Sun Visor Hat, adjustable buckle strap design, adjust the size easily according to your needs, suitable for both Kids and Adults. USB Powered: 3 levels of wind speed. Energy saving and environmental protection, long service life. The sun hat is made of lightweight, easy to carry. Sun Protection Hat: Breathable hat, empty top design, Practical summer gift for family and friends. Widely Used: Sun Visor Hat with Fan is suitable for golf, hiking, running, cycling, farming, fishing, shopping, beach travel, mountaineering, square parties and other outdoor activities. Specification: Brim:13cm/5.12inch Hat circumference: 36cm~53cm/14.17in~20.87in(adjustable) Package Includes: 1pcs Sun Visor Hat with Fan 1pcs USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.