Feature: 1. Unique retractable and foldable design are easy to carry. It can be folded and extended as a desktop fan and can be extended up to 100cm as a vertical fan. 2. One-piece, expandable and foldable multi-function mini fan. It can work for 5 to 20 working hours on a single charge. Work quietly and without interruption while working, studying or sleeping. You can adjust 4 wind speeds. 3. The included cable can be easily powered via the USB port on a PC, laptop, mobile power bank or USB AC adapter. 4. It is very suitable for home, office and outdoor use. Specification: Product size: 19.7*19.7*9.3cm (folded) After shrinking: 36cm Stand up: 100cm Working time: 5-24 hours .
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