[Backup Power Bank] This versatile device features a unique handle design, functioning not only as a cooling fan but also as a convenient power bank. Eliminate the need for extra bulky chargers while keeping your phone charged on the go. [Long Working Time] Boasting a 5200mAh rechargeable battery, this fan can operate between 5 to 20 hours on a single charge. With a smaller 2000mAh battery, it offers 2.5 to 11 hours of use. Stay powered throughout your day without worrying about outages. [3 IN 1 DESIGN] The foldable handle allows for a customizable experience, adjusting the fan head from 0° to 180°. Use it on a table for stationary cooling, hold it comfortably in your hand, or use the included metal clip to hang it from your sun visor, stroller, or car. Enjoy cooling relief anytime and anywhere. [Strong Airflow + 3 Speed Settings] Designed with a brushless motor and dual fan blades, this fan delivers powerful airflow, cooling you down in seconds. Select from three adjustable speeds to find your perfect level of comfort, making it an essential companion for outdoor travel, events, sporting occasions, and theme parks. [Long Durability] Constructed with an energy-efficient DC Brushless motor, this fan is designed for longevity, providing up to 20,000 hours of use—equivalent to 7-10 years of regular operation. Enjoy reliable performance without the need for frequent replacements.