3-Speed Strong Windshand held electric fan, adopts 3-speed wind by one-button adjustment. You can switch the natural wind, cool wind, strong wind according to your need. Made of high quality ABS materials, durable, anti-drop. Safe to use for both kids and adults. Very easy to operate with only one button, press the button to turn on/off the fan. Rechargeable 2500mAh BatteryPersonal USB recharge fan, built-in high performance 2500mAh 18650 battery. Full charging is about 3hours, and it can run for 3-15 hours continuously (depending on different speed levels). Support to charge via USB cable by laptop, power bank, AC adapter and car charger,etc. Portable & Phone Stand DesignThis portable fan is small but mighty (Size: 9*4.3*1.7inch/23*11*4.5cm). You can pack it in your bag to take it anywhere. Removable base, also be used as a mobile phone holder. It is convenient to practice yoga, watch video, or work with your phone while you enjoy the cool wind. Work QuietUSB desk fan equipped with 4pcs fan blades and strong power ensure maximun air flow. Built-in pure copper brushless motor and circulating fan blade. This make the fan work ultra quiet and move a decent amount of air to cool you down quickly and special care for your sleep. Muilt UsagePortable mini handled fan, only 100gram light weight, very suitable for people to take it to use outside. Shopping, sport, camping, travel. Also, perfect as a gift or present for guests, chirdren, elder and friends.