1、Three-in One function of refrigeration, humidification and air purification, create a personal cooling zone. 2、Strong wind with the speed of three steps, quietly operation. 3、Refrigeration and environmental conservation. The portable air cooler can give off cool, fresh, clean air to make you comfortable. It is of low consumption, and charged by USB. Three speed to adjust to provide comfortable temperature. Features: Three-in-One function of refrigeration, humidification and air purification, create a personal cooling zone. Strong wind with the speed of three steps, quietly operation. Refrigeration and environmental conservation. USB or AC power supply, low energy consumption. 7 color LED lights, can be used as sleep night light. Comes with a hidden handle, easy to carry. Note: 1. Keep it flat and then add water to F below the water line every time you use the product,don't tilt it when working. 2. After using the water for 10 minutes for the first time, let the filter fill the water and use it better.Use ice water for a cooler effect. 3. When using it first press the power switch button, the fan will stray by default, it can be adjusted in four steps, and the LED color lights will be turned on by default. Continuously press the colorful switch to have seven different colors. 4. The spray film doesn't need to be replaced. Specifications: Name: Mini Air Cooler Humidifier Material: ABS Working Current: 2A Input Voltage: 5V Power: 6-15W Capacity: 480ML Cooling Range: 3-10 Degrees Celsius (Actual temperature depends on ambient humidity and temperature during size) Item Size: 18.5* 15.2 * 15cm / 7.28 * 5.98 * 5.91in Item Weight: 718g / 1.58lb Package Size: 22 * 16 * 16 cm / 8.66 * 6.30 * 6.30in Package Weight: 900g / 1.98lb Package List: 1 * Air Cooler 1 * 1.5m USB Cable(without Conversion Plug) 1 * User Manual (English) 1 * Air Cooler 1 * 1.5m USB Cable(without Conversion Plug) 1 * User Manual (English)