Long Battery Life 3-4Hs Full ChargingWith 4000 mAh Large Capacity Battery and Type C Charging Port, the Neck fan can be Fully Charged with Wall Charger, Laptop and Power Bank in 3~4 Hours and Provide 4-9 Working Hours Duration,Depend on Different Speeds.The Great Power Makes You Cool In 3s.Hands-Free Design,Stylish And Feel Comfortable Our Portable Neck Fans Is Designed To Be Lightweight, Weighing Only 0.5 Pounds. It's Easy To Wear Around Your Neck, Freeing Up Your Hands For Whatever You Need To Do. Perfect For Personal Cooling, Offices, Churches, And Outdoor Activities Like Camping, Traveling, Hiking, Climbing, And Watching Sports Games.And With Its Quiet, Peaceful Flow Of Air, You Won't Be Disturbed While You Stay Cool.Safe ,PortableOur portable cooling bladeless fan Is Designed For Your Safety And Convenience, Plus, It's Bladeless And Silent, Making It Safe And Suitable For All Ages. You Can Take It Anywhere, And It Won't Pinch Your Hair.It Is Natural To Wear, Comfortable And Skin-Friendly. Wearing The Neck Fan Can Also Study Or Work Without Worry.Three Adjustable Wind SpeedOur Neck Fans With Three Different Wind Speed Settings, You Can Easily Adjust The Fan To Your Desired Level Of Coolness. And With Its Quiet, Peaceful Flow Of Air, You Won't Be Disturbed While You Stay Cool.Powerful AirflowEnjoy 360-Degree Surround Wind With Our neck air conditioner. With 60 Strong Turbine Blades, It Can Cool You Down In Just 3 Seconds. Plus, The Wind Is Increased By 70%, And You Can Adjust The Speed To Your Liking.And You Won't Have To Worry About Sweat Stains. It's Your Perfect Summer Companion.