Product Description Three-in-one air cooler: Evaporative air conditioner has three-in-one functions of cooling, humidification, and air purification. It avoids the shortcomings of traditional air conditioners that cause indoor air dryness after working for a long time, and enjoys a humid and cool summer (not an air conditioner used to cool the entire room) ). This ultra-quiet air cooler works powerfully at low noise levels. 3-speed fan speed adjustment: This portable air conditioner has 3-speed fan speed and multi-directional vents. So you can choose the ideal wind power to meet your needs. When using the air conditioner, you can add water and ice to the water tank. Quickly cool down, atomize and moisturize, resist dryness and keep skin moist. Portable design USB powered: Lightweight and portable air conditioner, easy to move, USB powered, ultra-low power consumption. Perfect for your bedroom, kitchen, office, dormitory room, desktop and desktop, and any other space that needs cool air. Energy saving instructions: low energy consumption, reducing electricity bills, completely suitable for our low-carbon lifestyle. Highly efficient and energy-saving, Freon-free