Features: [Eco-Friendly]Support USB powered. The working time depends on speed, can also be charged by computer, laptop, power bank, car charger, etc. [3 Speeds]The high-quality fan built with a professional high-performance motor with faster speed, strong wind. [High-qaulity]The Mini fan is made of quality ABS material, safe, and odor-free. One button control, easy to operate. [Portable]You can put a mini fan into your pocket or clasp on your bag, carry it with you in the whole summer. [Great Gift]The personal fan could be easily held in hand, ideal for traveling, hiking, climbing, camping, exercising, etc. Ideal as a gift for your friends and family.