♫「Three-stage air volume adjustment, 500ml large-capacity water tank」 The air volume of the air conditioner can be adjusted in three levels (low, medium, and high) according to your personal preferences. Just press the air volume switch to switch easily. * Double-click the power button to turn off the device. The 500ml large-capacity water tank allows you to avoid frequent water refills. The transparent water level window allows you to know the remaining water level at a glance. ♫「Three cooling options」: 1. Air supply: Normal air supply like a fan. 2. Wind + Water: If you want it to be cooler, you can add water. 3. After adding water to the tank, a fine mist of water will be sprayed while air is supplied. This product is ideal for those who do not prefer air conditioning, as it humidifies and provides enough air volume for the natural cool breeze to gently blow on the body. ☞「Humidification and negative ion purification function」: Ultrasonic waves turn water into a fine mist and spray