100% brand new and high quality Please note: 1. When the product is not in use, it should be soaked in water. Otherwise, there will be no fog when you use it next time. 2. The round hole in the middle can't get water, otherwise the product can't work. Specification: Material: ABS+PVC Color: 3 colors for choice, white / pink / blue Size: (As picture shows) internal diameter: 1.6cm/0.63" external diameter: 5cm/1.97" Imput: DC 5V 500mA USB cable length: Approx. 120cm Switch: Manual Exterior: Donut-shaped Connection: USB Port Floating in the water Features: Small size and it is portable. Earthquake resistance, anti - wrestling. Low power consumption. Fashion donuts shaped design and exquisite beautiful. There is swab inside, which make the water absorbent quickly and fog spit faster. It's built in vibration device, avoid the noise when fog spit, let you enjoy the moisture quietly. Intelligent testing point, water-break protection. In the case of water, it can continuously work; Under the condition of no water, It has the Water-break protecting, which greatly prolong the service life. Automatic protection, it will turn off automatically every three work hours. Oxygen fog make the air clean and wet, that good for health. Provide relief from dry air, improve air quality. No spray discontinuity problems. Mist intensity adjustable. Ideal for travel, office, home, bedroom, beauty salon, Yoga, living room, baby room The best gift for Colleagues, friends relatives. Quantity: 1 PC Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!! Compare the detail sizes with yours, please allow 1-4CM differs due to manual measurement, thanks!