1. The fan base is designed for storage, which can store small objects and keep the desktop clean and tidy at any time, making you feel more happy. Intimate design, the base can store small objects. 2. Large capacity, long battery life, built-in 4000mAh polymer battery, long-lasting input/output current dual mode, which can last for other equipment; Built-in 4000mAh high-capacity battery USB interface design can temporarily supply power to the mobile phone and play the mobile phone at any time. Emergency output power supply, not afraid of power failure. 3. You can flip and adjust the 45 wide-angle air supply, which is cool and has no dead angle. You can adjust the air supply at 45 degrees before and after, and freely adjust the angle to bid farewell to the one-sided wind, helping you drive away the heat and depression. Three-speed wind speed can be easily switched with one key, and three-speed wind speed can be switched with one key, with simple design and simple life; 4. The brand-new air supply mode simulates the natural wind cooling in summer, and the wind power can be as high as 10 m/s by comparison at the same level; Smooth and ultra-quiet, low-resistance bearing, smoother rotation and more power saving. 5.USB charging is natural and cool all day. It can be connected to laptops, mobile power supplies, desktop computers and other devices for charging. At the same time, it also supports blowing while charging, enjoying the refreshing and comfort of every moment.