Fast cooling: The USB fan has a new cooling module, which can instantly cool down the skin surfaces by 20C, one-button cooling and strong cooling performance. 3 levels of wind speed: Portable fan has 3 levels of wind speed to meet your different needs, and two power supply modes, which can be powered by USB or rechargeable battery. One-button operation: Portable function design, one-button control of all functions, easy control of 3-level wind speed through buttons to switch and open the cooling module, very easy to use. Base design: The handheld USB fan has a base, so it can be used on a table. The edge of the base is tilted up. With the fan, it can be used as a mobile phone stand, and the mobile phone stand and fan are two in one. Wide application: Portable handheld fan is the best choice for indoor or outdoor activities such as yoga, pilates, gym, travel, wedding, shopping, camping, party, etc.