3-speed strong windsThe portable electric fan adopts 3-speed wind through one-button adjustment. You can change the natural wind, cool wind, strong wind according to your needs. Made of high quality ABS materials, durable, anti-fall. Safe to use for children and adults. Very easy to operate with just one button, press the button to turn on/off the fan. 2500mAh Rechargeable BatteryPersonal USB charging fan, built-in 2500mAh 18650 high performance battery. Full charge takes about 3 hours and can work for 3-15 hours continuously (depending on different speed levels). Support charging via USB cable by laptop, power bank, power adapter and car charger etc. Portable Design & Phone HolderThis portable fan is small but powerful (Size: 9 x 4.3 x 1.7 inch/23 x 11 x 4.5cm). You can put it in your bag to take it everywhere. Detachable base, also usable as a mobile phone holder. It is convenient to practice yoga, watch videos or work with your phone while enjoying the cool wind. Quiet workingUSB desktop fan equipped with 4 fan blades and high power to ensure maximum airflow. Built-in pure copper brushless motor and circulating fan blade. This makes the fan ultra quiet and moves a decent amount of air to cool you down quickly and extra care for your sleep. Multiple UsePortable mini fan with handle, very suitable for people to use outdoors. Shopping, sports, camping, travel. Also, perfect as a party favor or gift for guests, children, seniors and friends.