Multifunctional Air Cooler: This is a portable air conditioner that cools, humidifies and purifies. This Personal Space Cooler Has Three Fan Speeds 3 Speeds and Larger Tank: The air conditioner offers 3 speeds (low/medium/high) to choose from. The water tank can work continuously for 5~12 hours. When the water runs out, it turns into natural wind, so you can sleep peacefully 2021 Upgrade: No harmful refrigerants and no compressors like traditional power-hungry air conditioners. High-efficiency low-power working wattage: 1W-8W, it can save your electricity bill and will not harm the environment Air Filtration System: No need for ozone refrigerant, more environmentally friendly. Air filtration system effectively reduces fine dust, large particles and dust, using removable and washable activated carbon filter to absorb odor and filter air Elegant Appearance: Brand new design, simple and sophisticated appearance, the white color makes it look beautiful and it is also a good gift for family and friends Name: Portable Air Cooler Size: 133*111*158mm Water tank capacity: 200ML Battery capacity: 4000mAh Rated voltage: 5V1A Main material: ABS Power supply mode: USB (Type-C) input