Portable Rechargeable Cooling Fan: This small is usb charging and can be used in combination with adapters ( not included),, computers, car chargers and low noise: This saves space and is economical An for ideal birthday school yourself, family and in the Multi-scene use: desk, living room, bedroom, kitchen, feel cool Timing function: user-friendly timing switch, the for time can be chosen at will This portable cooler features multi-speed fan speed and for touch screen mode for easy use cooling: In addition to the wind feeling superior to traditional fans, it also has the effect of filtering, humidifying and cooling air