Product description Color: white, green Material: ABS PP silicone Battery capacity: 4000mAh Power consumption: DC5V / 2A Charging time: approx. 4.5 hours Usage Time: Depending on the gear, it can be used for 2-6.5 hours after a full charge Product standard configuration: 1 * host 1 * USB cable 1 * instruction 1. 3 in 1 Mini Air Conditioner Mobile Please make sure to use a 5v adapter. 2. 3 working modes Fan: Mini air cooler has 3 wind speeds (high / medium / low), first gear: 2.0 m / s, second gear: 2.4 m / s, third gear: 2.8 m / s. Humidifier: intermittent mist and continuous mist. Air purifier: fan and humidifier 2 working modes, first gear: 6.5H (no spray), third gear + double-hole continuous spray, can spray 2H. the three working modes can be used separately and can be set as required. 4. USB charging and wireless use The mini air cooler has a built-in 2000 * 2 mah lithium battery, the charging time is only 4.5 hours and can be used wirelessly for 2 to 6.5 hours, in addition to using a plug, you can also use a power bank or use a computer to charge, the indicator light flashes red when charging and the red light is always on when the battery is fully charged. 5. Easy to use Just put water into the water tank of the cold air fan and press the wind speed / spray button, can be used alone or in combination, add water to bring the airflow closer to the natural wind, add add ice cubes for a better cooling effect.