【Personal Air Cooler & Air Humidifier】It is not only an personal air cooler fan , but also an USB Powered Desktop Fan with 3 Speeds, This fan will not be as cold as air conditioner and can not make the room cool but it is much cooler than the fan and will not make you skin dry. Please keep it beside you. Suitable for bedroom, kitchen, office, GYM, travel etc.【3 Speeds & Timing Function】Portable air conditioner is 3 wind speeds (Low-Medium-High) ,and a 65° oscillation angle to customize your breeze to stay cool on hot summer days. Three automatic timing (1/2/3H), you can choose the most suitable one to enjoy your leisure time, sleeping or working time.【Energy Saving & Portable】Simply connect the USB cable（must be over 5V/2A ）to the devices that support usb port.. Removable design helps you more easily clean your water tank and add water& ice cube in the water container. suitable for office, family, room and etc; Also this evaporative air cooler has low energy consumption, which can reduce your electricity bill and it is completely fit for our our low-carbon lifestyle.