Are you looking for USB powered fan online? It is portable and very easy to move it to another places. You can just connect USB port on PC, laptop, computer and so on. It can be used in AC power supply. Adjustable fan speed as per your requirement.
This Extension Socket is capable of charging any kinds of digital products, such as mobile phones, MP3, etc. Allowing you to charge several devices with USB cables at the same time without an adapter. It is fireproof, ensure the safety while charging.