the following example is for you reference.

Specification:
Color: white, blue, PINK
Name: humidifier
Working voltage: DC 5V
Material: silicone/PP/ABS/Electronic component
Amount of spray:40ml/h
Working current: 400mA
Water tank capacity: 250ml
Use time: 5-10h
Power supply: USB
Applicable area: 10-20 square meters
Noise: less than 36dB

Features:
1. SUPER QUIET: Runs quietly. It would not be disruptive while you sleep
2. Large capacity,dry protection, infiltration and Moisturizing
3. Automatic power failure protection,anti-dry
4. Mini size, lightweight and compact, easy to carry