EASY TO POWER AND CARRY: The 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.
ULTRASONIC TECHNOLOGY AND ULTRA-QUIET DESIGN: Prevent dry and chapped skin in dry seasons with no noise. Help you breathe easy and provide a silent and comfortable sleep environment.
SAFE PROTECTION WITH AUTO SHUT OFF: 4 hours automatic power-off protection. Make sure there is enough water before running.