About this item [4 Wind Speeds and 2 Humidifier Modes] Customize your own comfortable wind. This evaporative air cooler is designed with 2 humidifier modes and 4 fan speeds. Whether you need a medium wind or a humidifier at work, or a low breeze for your loved ones while you sleep, this little guy has something for your every need. [20 OZ Large Capacity Water Tank] This top-filled portable air conditioner features a 20 oz large capacity water tank, which can humidify for up to 8 hours at the first setting of fog and up to 6 hours at the second setting, no more annoying constant refills . Also, you can add cold water or ice cubes on top for better cool air. The bottom is equipped with a drip tray that is easy to clean and replace, effectively preventing water leakage. [Silent Cooling with Timing] We tested this swinging air cooler with professional instruments, and the maximum wind speed only reached 45dB. With 3 optional timers (2-4-6 hours), no longer worry about headaches caused by prolonged cold air and colds, and timers can also help save electricity bills. [Wide Range of Comfort] The latest design in 2022, with a 70oscillation and adjustable fan blades up and down. Small model, big energy. You can control the wind direction from left to right or even up and down. Brings you super cool air on hot summer days Perfect for personal spaces and small rooms. [Rainbow Gradient Lights] 7 kinds of color changing LED lights create a comfortable and relaxing sleeping environment, the lights change with time, allowing you to enjoy a soothing and cool sleep on hot summer nights. Additionally, the lights can be used alone or off. The USB charging port can be powered by power banks, laptops, adapters, power banks, computers, etc.