USB office fan mini water tank portable air cooler personal cooling device lithium battery 1800mAh low pressure operation

Can be used after charging, or plugged in with a USB charger Battery capacity: 1800 maximum gear + spray Battery life 2-3 hours Power: 25W Fan gear: 2nd gear Atomization gear: 1st gear sprays all the time, 2nd gear sprays for 5 seconds and stops for 5 seconds Net weight per unit: 700g Weight per unit with color box: 850g Product size: 16.4*11.4*21.4cm Single size with color box: 16.7*12*22.5cm