Steam Train Locomotive Engine Car USB Humidifier

Easy to power and carry: USB powered and size 140 * 120 mm makes it easy to carry, whether from home to office or car.
Working efficiency: 90ml volume, 30ml / h spray volume.
Ultrasonic Operation and Ultra-silence Design: Humidify your living space to prevent dry, stuffy air and flu/cold germs infecting your loved ones. Prevent dry and chapped skin in dry seasons with no noise.
Safe and Easy to Use：6 hours automatic power-off protection. Make sure there is enough water before running.
Popular Design: The cute steam train locomotive engine car design perfect match your home.