discoGoods Mini Portable USB Fan Plug and Play Detachable & Adjustable Compatable with Any USB Port like Power Bank/Notebook/Laptop/Computer White (Set of 2) Very Useful and Cute in the Summer: Portable Mini USB Fan is suitable for Climbing, Camping, Hiking, Walking, Fishing and more outdoor activities, or using it at home/in office/in classroom. You can attach to your laptop as well and use to cool down the computer if the built in fan just isn't enough. Powered by USB: With standard USB interface, the unit can be use anywhere, powered by any devices with USB port like tablets, laptops or portable USB power source such as power bank. Detachable & Adjustable: The neck of the fan can bend so you can angle it any direction. As soon as it's plugged in it starts putting out a lot of air. It generates a good breeze from the moment you plug it in and the bendable arm is very convenient as you can direct the air flow any direction you want. Super Mini Dimension: It's light weight, and easy to store. The blades of the fan can be removed so they will not get damaged during storage. The fan is small but the output is large! $3.39 Buy One Get One: Don't miss this big sale! This fan is a super deal at an extremely low price. Once paid, you will get two sets!