Long Lasting Type C Rechargeable Battery: Features USB Type C charging port The built in 300mAh battery provides extended runtimes for outdoor activities, school days or family trip without frequent recharging Ergonomic Wearable Design: Lightweight with soft silicone strap comfortably fits children ' s wrists Portable enough for handheld use during travel, classrooms or home, offering cooling Quiet Brushless Motor Operate: Equipped with brushless motor technology for quiet Practical ABS+PP construction for daily child use Safe Bladeless Design for Kids: This wrist fan features innovative bladeless technology with a protective meshed grids, finger injuries while maintaining adorable Cartoon aesthetics that children love Perfect companion for users Adjustable 3 Speed Cooling: Enjoy comfort with three wind settings for instantly relief from heat in various situations