Portable USB Fan - Since the portable mini fan is compact and lightweight, you can easily put it in your handbag or backpack. It will be your good companion in studying, working, resting and outdoor other activities. With Holder and Convenient - The mini USB fan has a flexible holder with a new version upgraded silicone surface, which makes it waterproof, and easy to clean, less prone to aging, and breakage, more durable, safe and health for you. USB and Battery Powered - The rechargeable desk fan has a built-in 1000mAh battery. It takes only 1 hours to fully charge and it can operate continuously for 2-5 hours (depending on different speeds). You can easily charge this mini fan with a Micro USB cable. Adjustable and Safe - With one button to switch between 3 different wind speeds, you will find the perfect speed for you. Most importantly, the motor is quiet, so you never have to worry about your baby being woken up and has a good sleep. Effectively prevents the baby from touching the fan blades to avoid injury. Great summer gift - Cute shape and beautiful design, portable, effective and safe enough - Ideal as a gift.