[Long Working Time]Built in 3600mAh capacity rechargeable battery which can last 6-24H. Each full charge will last compatible with whole day long [6 Speeds & Strong WindAdopt 6 fan blades design, equipped with brushless motor which can generate stronger airflow than others. to cool you down in 2 seconds in hot weather. 6 speed adjustable, fit all kinds of needs [Backup Power Bank]Unique 2 in 1 cooling fan. Combines fan and power bank into one solid amazing fan. You don't need to carry a extra power bank from now [Foldable & PortablePretty small and designed to be carried around. Just 195g and the size is 7x9x13cm. The head is 80adjustable so it is to be put on countertop and works as a desk fan [Detachable Cover] The front cover is detachable. Designed to be taken off compatible with cleaning the fan blade. The fan is super practical because it can be used in multiple situations like Yoga, Gym, Travel, Wedding, Shopping, waiting in line, Camping, Party, etc