Review on O-Mei Stars Small Bedroom Humidifier, 350ml Mini Desk Humidifier with Night Light - USB Powered, Ideal for Baby - Portable & Includes Spare Filter (White) by Jeff Hall

I bought this for my White Fusion Calthea because it is very noticeable and I don't want me to spray it several times a day. I would recommend this, but thought it was paid and doesn't require a network connection to work. It has a fairly short micro USB cable so you'll need a plug nearby. It runs for four hours and then shuts off. You'll need to refill it frequently as it only holds about a cup of water.