Well DesignedThe mini fan has increased the distance between the fan blade and the fan cover, which can effectively protect children from injuries. It is also equipped with a fan foot that can be used not only as a portable hand fan to take with you, but also as a mini fan for the desk. 3 Adjustable Wind SpeedThe USB fan offers three speed settings (low/medium/high); you can press the power button to set the wind speed to the desired mode, and use it according to your own needs. High Capacity Battery & RechargeableThe portable battery fan has a 2000mAh large capacity battery. Give you the most continuous working time of 8 hours depending on wind speed. With the rechargeable USB port, you can charge your mini fan to any device, such as power bank, wall charger, laptop, etc. Portable and lightweightThe fan is small than a mobile phone and weighs only 15ml at 2.36 x 2.37 x 5.86 inches. And it is very easy to carry, you won't feel the weight of the fan in your pocket; the slim handle is also designed to be easy to handle and fits ly into your palm. Careful ServiceIf you have any questions about the product, please contact us, our professional customer service team will solve the problem for you as soon as possible.