Features of personal humidifier spray volume: 35 ml/h Working voltage: DC 5 V (USB power supply) Working current: 400 milliampere hour Power consumption: 2 WU Time: about 12 hours Material: plastic cold fog humidifier Specification Water tank capacity: 0.11 gallon (400 ml) Product size: 4.92 x 3.35 x 4.92 inches (12.5 x 8.5 x 12.5 cm) Product weight: 0.3 pounds (135 grams) USB humidifier Operating instructions 1 Open the water tank and inject appropriate amount of water; 2. Cover the water tank and connect it to the power supply through a USB cable; Press the switch for the first time to turn on the USB humidifier, and the 7-color light automatically switches over; The second press is to turn off the 7-color light while leaving the personal humidifier and still spraying. The third press is to turn off the cold humidifier. Warm tips for mini humidifiers suggest thoroughly immersing the cotton swab in water before use; Replacing the cotton swab: Rotate the outer tube of the cotton swab and let it come out (do not directly pull the outer tube of the cotton swab); Then take out the cotton swab; Add another cotton swab and be careful with the bottom spring of the pure humidifier when replacing it; Please prevent the atomized metal atomizer from being contacted by hard objects; Please keep the cold fog humidifier away from water or fire Color: pink, blue, purple, white (optional) Package includes: 1 * humidifier Note: Due to manual measurement, please allow a small error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the display. Please understand. Hello, please pay attention to your shipping address when purchasing products. If your receipt information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly