Equipped with built in rechargeable battery and USB charging port for flexible power option Easily charging via computers, car adapters for cooling on the go With 3 speed settings, this small fan provides airflows for different needs Enjoy gentle breezes at home, in the offices, or during leisure time to heat comfortably Designed with dense protective netting to accidental with, ensuring child Parents can relax kids are protected during playtimes Features low noise motor technology for peaceful use in libraries, offices, or study areas Provides cooling comfort without disturbing your focus or relaxation This small cartoon wristwatch fan features a construction, perfect for outdoor activities and daily use Its compact size easily fits on your wrist, making it ideal for park walks, campus event, or travel