Low Noise Level: With a noise level of less than 36dB, this air cooler operates quietly, ensuring a peaceful environment.Natural Wind Function: The natural wind function of this air cooler mimics the feeling of a gentle breeze, providing a comfortable cooling experience.Supports Charging: This air cooler supports charging, allowing you to enjoy continuous cooling without worrying about battery life.Mechanical Operation: The mechanical operation of this air cooler ensures easy and efficient use, making it ideal for daily cooling needs.Portable Design: This portable air cooler is perfect for use in dormitories or homes, offering cool relief wherever you need it.