[Long Working Time] Built-in 3600mAh rechargeable battery provides 6 to 24 hours of runtime. Each full charge lasts all day. [6 Speeds & Strong Wind] Features 6 fan blades and a brushless motor that delivers powerful airflow, cooling you within seconds. 6 adjustable speeds to suit various needs. [Backup Power Bank] 2-in-1 design combines a fan and power bank. Use it to cool down and charge your devices without carrying an extra power bank. [Foldable & Portable] Compact and lightweight at 195g, with dimensions of 7 x 9 x 13cm. Adjustable 80-degree head allows for desktop use as a personal desk fan. [Detachable Cover] Front cover is removable for easy cleaning of fan blades. Ideal for use in multiple scenarios such as yoga, gym, travel, weddings, shopping, waiting in line, camping, and parties.