The Humidifier is charged with an included USB cable. Simply plug the cable into a laptop or USB powered adapter.
The humidifier works with water, to refill the bottle screw off the top part and fill with mineral or tap water. To charge the item you need a laptop or wall plug.
Check that there is enough water and that the cotton swab is inplace. Replace the water and clean the bottle. You can also change the cotton swab.
It will turn off automatically after being switched on for 4 hours. You can switch on the item again by pressing the power button.
Press the button to switch on the spray function, press again to switch off; long press the button to switch on the night light/ usb fan, long press the button again to switch off.