Description: Ultrasonic Technology High-frequency ultrasonic technology, the fine mist moisturizes directly to the pores, and the noise of the whole machine does not exceed 30 decibels No Water Tank Sealed design, no water ingress after soaking, avoiding accidental soaking and short circuit, not limited by fixed containers, you can replace different containers according to your own needs USB Powered Mini size and USB powered make it easy to carry and power. You can connect it with PC, laptop, car charger or any other USB outlet Mini PortableEasy to use, compact size, saving space and portable.It can moisturiing your living space to prevent dry, stuffy air and flu infecting your loved ones Automatic Power-Off 8 hours automatic power-off protection. Make sure there is enough water before running. Suitable for bedtime, working or study, ideal humidifier for baby room or office Specification: Type: Air Humidifier Material: ABS, Electronic Components Color: White, Blue Size(D*H): About 48x13mm/1.89x0.51inch Cable Length: 1.2m/47.24inch Rated Power: 1.5W Rated Input: DC5.0V/1.0A Working Time: Direct Spray 8h Package Included: 1pc x Air Humidifier Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.