The small usb fan is directly plugged into the computer or power bank, not a rechargeable type. The size of the small fan is 4 inches and 7 inches, the diameter of the 4 inch fan is about 15 cm, and the diameter of the 7 inch fan is about 20 cm. 1. The data cable of the small fan is integrated and cannot be unplugged. 2. All small fans do not have a plug. If there is a buyer who needs a plug, please take the corresponding option! ! 3. There are no extension cords and plug options for the 7-inch fan. Please contact customer service if you need it. 4. For quality problems, we will bear the return shipping fee within 15 days , If you have any questions, please contact us in time, thank you!!
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