4 LEVELS WIND SPEED: The Aoyun handheld fan high-performance fan has 4 adjustable wind speeds. Whether you need a gentle breeze or strong wind, this small fan will meet your needs on hot summer days. SILENT OPERATION: This handheld fan is designed with state-of-the-art brushless motor technology to ensure powerful airflow output while maintaining low noise level. You don't have to worry about noise affecting your rest or working environment so you can enjoy the coolness while maintaining the silence. LONG BATTERY LIFE: the USB(included USB Type-C cable) rechargeable fan supports charging during use. Thanks to the built-in high-performance battery, you can use it continuously for up to 16 hours after a single charge without having to charge frequently. Ideal for outdoor adventures and long journeys. COMPACT AND LIGHTWEIGHT DESIGN: handheld fan measures only 5.9 inches in height and weighs just 0.36 pounds, which makes it extremely compact and lightweight. Put it in your bag or backpack and carry it anywhere - perfect for travel, outdoor activities, office use and much more. VERSATILE APPLICATION: In addition to being used as a handheld fan, it can also be placed on the desk or other surface and used as a small table fan, or you can attach the neck strap for easy carrying. Whether you're camping, hiking, picnic, or at home, this handheld fan is your reliable companion to keep you cool. Also ideal for use in crowded rooms or places with poor ventilation. We provide 12 months of after-sales service. Please contact us if you have any questions or issues.