Please note: the mini fan is only sold by Huilin CO.,LTD, others are fakes.Double-head design mini fan:Innovative double-head with double-blade fan,offers strong wind and a wider range of blows. Stay away from heat and drought. Exquisite folding fans: The new small fan still maintains a compact size, half of the palm is folded, very easy to carry, 270 degrees foldable, both hand grip and stand are available. USB Rechargeable Battery Pack: High Performance Lithium Polymer Battery Pack, USB Rechargeable Battery Pack, Works with Charger, Laptop, Computer, Bank. 2 Wind Speed Adjustable: Easy soft/strong switch mode to meet your cooling needs. When fully charged, high speed would work about 2-3 hours, soft mode would work about 4-5 hours. High quality double safe. Using super soft TPE material, even accidentally touch the fan blades, the fan blade would stop, and automatic folding will not hurt the hand. NOTE 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products