Mini handheld fan is mainly made of safe, strong and durable ABS material and electronic components for a long service life The Small Travel Fan has a detachable base for you to use on the table in the office, and the base can also be used as a mobile phone stand for watching videos The pocket fan has 3 speed levels (low/medium/high), which can be adjusted by repeatedly pressing the power switch Portable handheld fan can use USB charging cables to link with computers, power banks, laptops and other devices Mini Desk Fan can use the included USB charging cable to charge, and after fully charged, the working time is 3-13 hours [Sale Guarantee] - If 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.