PortableThe portable air conditioner allows you to take it to your bedroom, kitchen, garage or outdoors for fishing, camping, picnicking. (This product does not come with a battery and requires continuous USB power supply)[Multi-function air cooler]: The portable air cooler has three functions: air cooling, atomization, and fan. Three gears (fast, medium and slow) are available, which can be adjusted according to your needs to provide you with a better sleeping and working environment.3 Adjustable Speeds: This mobile air conditioner has 3 modes (low/medium/high). It can be adjusted to different wind speeds as needed. Suitable for different occasions such as living room, bedroom, office and so on.7 Color LED Night Light: This cooler can also be used as an LED breathing light in 7 different colors.Quiet Cooling: This portable air conditioner is professionally designed with unique air duct design and fluid mechanics to make minimal noise and will not disturb your sleep. Let you enjoy a soothing and cool sleep on hot summer nights.