Feature: 1. 3 Level Wind: Three speed wind, one button controllable, 3 speed wind free choice, comfortable and fun to lead the whole summer. 2. Adjustable Size: hook and loop hat circumference, can be adjusted according to the child's head shape, light to wear, cool and sun protection. 3. Leafless: The bladeless air outlet system can relieve the sultry heat, the fan can be disassembled freely, and the hat can be washed at any time. 4. Professional Design: Sun shade hat is specially developed for children, without getting stuck and curly hair. concealed air outlet engine, safe air outlet is softer, the clearance of the whole machine is less than 2.0mm, and children's safety sight. 5. Long Lasting Battery Life: Long lasting battery life, built in polymeric substance battery, recyclable, only takes 30 minutes to fully charge. Specification: Item Type: Fan Hat Material: ABS, Cotton Battery Type: Polymeric Substance Lithium Battery (Ship with Inbuilt Battery) Battery Capacity: 250mAh Charging Time: About 30 Minutes Battery Life: 2 to 3 Hours Fan Blades: Without Blades Fan Levels: 3 Levels Hat Circumference Size: Approx. 54cm / 21.3in Application: Suitable for Boys and Girls Aged 6 to 12 Years Old. Package List: 1 x Hat1 x USB Cable1 x User Manual Note: Note: Reverse time loose clockwise tight, unplug the terminal connection wire can be, easy to clean