Portable USB fan - Because the portable mini fan is compact and light, you can easily put it in your handbag or backpack. It will be a good companion for your study, work, rest and outdoor activities.With stand and convenience - the mini USB fan has a flexible stand with a new version of the upgraded silicone surface, making it waterproof, easy to clean, less prone to aging and damage, more durable, safer and healthier.USB and battery power - rechargeable desktop fan with built-in 500mAh battery. It only takes 1 hour to be fully charged, and it can run continuously for 2-5 hours (depending on different speeds). You can easily charge this mini fan with a USB cable.Adjustable and safe - with just one button to switch between 3 different wind speeds, you will find the perfect speed for you. Most importantly, the motor is very quiet, so you never have to worry about your baby being woken up and have a good sleep. Effectively prevent babies from touchingFan blades to avoid injury.Great summer gift - lovely shape and beautiful design, portable, effective and safe enough - ideal for gifts.