Product Personal space coolers allow you to have your own personal comfort zone.Freshen, moisturise and purify for better air. Refrigeration, energy saving, environmental protection, air purification, portabilitySuitable for any space, keep quiet and enjoy the breeze anytime, anywhereThree-speed wind speed, cooling, purification, humidificationAdd water at the entrance, simple and convenient, top cover designAdd water before the water curtain, add it quickly (add ice water)Quiet air supply, low noise, strong windMultifunctional machine: fan, purification, humidificationMultiple power modes: power bank, mobile phone charger, desktop computer, etc.hot summer, lazy lifeNo radiation: pregnant women, children can useConstantly surpassing innovation, a new definition of comfortable air volume on the desktopInput current: 1AInput voltage: 5VBattery capacity: 1200mAh 3.7VInstructions for use: First turn on the power switch on the left, tap to switch the windshield, then press and hold for 3 seconds to turn on/off the ice fog.Product includes: 1 cooling fan