Powerful performance This upgraded handheld mini fan features a speed threephase brushless motor, delivering an airflow speed of up to 10 meters per second and a rotation speed of 17,000 RPM. It provides threespeed settings, allowing you to switch from a gentle breeze to a strong gust as needed. Quiet and versatile The threespeed wind adjustment can be selected according to preference and ambient temperature, with a silent design that makes it suitable for study, work, or rest. Longlasting USBC power Designed for convenience, this mini fan has a builtin rechargeable battery and USBC fast charging. On a full charge, it offers up to 10 hours of continuous cooling on low speed, making it reliable for outdoor activities or daily commutes. Portable handheld cooling solution This portable handheld ice fan utilizes builtin cooling chip technology to deliver an instant cooling effect, providing a cool experience anytime, anywhere. Use scenarios Outdoor activities and daily commutes: long battery life and adjustable airflow for allday comfort Study, work, or reading: silent operation and adjustable wind for a distraction environment Travel, errands, or athome use: compact, easy to carry, and quick cooling on demand