The 2-in-1 function of ultrasonic air cooler and humidifier can give off cool, fresh, clean air to make you comfortable. 360 rotatable design and 3 levels of speed to adjust to provide comfortable temperature for the whole room. With lownoise, it provides silent operation and is suitable for studying, sleeping or working. Perfect for indoor use! Features: 2-in-1 function: ultrasonic air cooler and humidifier with filter. Multifunctional mini fan for home, office or dorm use. Strong wind with 3 adjustable levels, easy to switch. 500ml large water tank, ultrasonic technology provides cooling air quickly. Touch control with 360 rotatable fan, providing cooling air for the whole room. When charging, the fan is 90 rotatable only. Silent design, low noise, will not disturb studying, sleeping or working. Built in 4000mAh lithium battery, Features long using time, easy to charge via Type-C USB port. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thank you for understanding. Specifications: Color: White Shell Material: Plastic Water Tank Capacity: 500ml Input: 5V 1A Rated Power: 7W Wind Speed: 3 Levels Spray Outlet: 10-20ml/h Built-in Battery: 4000mAh Charging Time: about 5H Item Size: 140 * 218.5mm / 5.51 * 8.60in Item Weight: 935g / 2.06lbs Package Size: 23.5 * 16 * 17.5cm / 9.25 * 6.30 * 6.89in Package Weight: 1115g / 2.46lbs Package List: 1 * Air Cooler & Humidifier 1 * USB Cable (Type-C) 1 * User Manual