Amazon: USB Car Humidifier Only $12.95
Hip2Save may earn a small commission via affiliate links in this post. Read our full disclosure policy here.
This mini humidifier plugs into any USB port and holds up to 180ml of water. It fits in most cup holders and will continually mist for up to seven hours! Even better, it will automatically shut off when the water level is low AND it won’t leak if tipped over.