Review Cats: https://youtu.be/j6qZmnlsSRw

 Portable Electric Fan
 3 levels of strong wind adjustment

 Battery Capacity: 4000mAh
 Use time: 5-20h (approx. 5 to 20 hours depending on the fan strength used)
 Charging time: 5.5h (It takes about 5 and a half hours to fully charge the battery)
 Product voltage: DC5.0V / 0.8A
 Power consumption: 4W
 Product weight: 360g
 Product size: 158mm * 87mm * 48mm
 Product color: coral powder / sapphire blue / glacier white