New Generation Air CoolerThe updated personal space air cooler comes with a smaller body and an updated cooler core that freezes the air faster, leaf adjustment 90. Colorful LED LightBuilt-in 7-color LED lights not only create a romantic atmosphere, but also a night light. Add aromatherapy oil to facilitate better sleep. Easy to Use Space-saving design makes it easy to move from room to room. To feel cool wind, just put some water or an ice cube into the water tank of the air cooler fan. Upgraded FilterRemovable cotton filter is stronger smudge-proof and reusable multiple times. Antibiosis and anti-mold treatment, it can filter out some impurities, dust particles, bacteria, etc., making the air cooler to breathe freely. Energy SavingThis air cooler by evaporation and humidifier is freon free and environmentally friendly. The personal air conditioner can work with low power consumption. Its power is supplied by the USB port.