For USB powered night light home office humidifiers for work desks, useful comparison points include placement, dimensions, power method, capacity, controls and the specific functions represented by the search.
Catalog options relevant to this combination include Mini USB Desk Humidifier with Night Light, USB Desktop Humidifier Night Light, and Wood Grain Ultrasonic Mini Mist Humidifier. Their exact specifications can differ, so use the individual listings for final product details.