1. 【Strong Wind Speed Provide】This single room air conditioner is available with 4 speeds. to keep you cool always. The air cooler fan was built with professional high performance brushless motor is with faster speed, strong wind and low noise. Making you and your family a sweet sleep and coolness in a hot summer. 2. 【 Adjustable Fan Blades】 This air conditioner fan is pivoting head and adjustable fan blades design. Our air cooler fan is compact enough to create airflow almost everywhere without blind spot. 3. 【Rechargeable Air Conditioner Fan】This air cooler portable air conditioner runs on 2000mAh large rechargeable battery capacity to ensure wireless working time last for 3-4 hours use after fully charged. Suitable to bring for your indoor & outdoor activities. 4. 【Humidifier Air Cooler Fan】Our 4 in 1 air cooler fan is equipped with humidifier function. 300ML large capacity water tank was provided to make humidifier steadily and efficiently dispenses the soothing cool to mist you crave so you can COOL better, BREATHE easy and get more Restful SLEEP. Ideal moisturizes the air in a hot kitchen, living room, home, office and more. 5. 【7 Color Lights Option】Our portable air conditioner fan comes with 7 different color atmosphere lights. You can filter through the color that match your personality. And this air cooler light can be soft enough to help you create relaxing or romantic sleeping atmosphere for room.