[Lightweight design] The air cooler adopts a mini portable design, which is light and easy to carry. It only takes a few seconds to cool the hot air around you, suitable compatible with rooms, offices, cars, camping, etc. Low energy consumption is suitable compatible with our low-carbon lifestyle. Portable handle, easy to carry. After being fully charged, the air cooler can be used outdoors away from the charging port. It also supports charging mobile devices. [One machine with multiple functions] With spray function, it can be used as a personal air conditioner cooler, purifier, and air humidifier. The three-in-one multifunctional design will take you away from the hot summer and enjoy the cool summer. [Three Mode Speeds] The air cooler has 3 wind modes-a gentle mode compatible with soothing cooling, a strong mode compatible with urgent cooling, and a medium mode compatible with the middle zone. Meet your different needs "Built-in 2000 mAh battery and Type-C input" This mini room cooler is equipped with Type C power system to provide safer power input. You can use the Type c power cord in the package to connect the adapter, mobile power, computer or car charger. And the built-in battery can also allow the product to work without an external power supply. Built-in 2000 mAh battery, fully charged can work continuously compatible with 3-5 hours. Input voltage: DC5V/Type-c input port Battery voltage: 3.7V Input current: 1A Working power: maximum 9W Battery capacity: 2000mAh Spray volume: about 30-35ML/H Water tank capacity: 240mL Colour: Green / White Material: ABS Size: 150 x 145 x 180mm Package Contents: 1 x fan 1 x USB charging cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.