... -functional device,humidifer&aroma diffuser,2 in 1 2.With essential oil tray 3.LED night 2012 new arrivals small waist decorative ... -functional device. Humidifier & air purifier, 2 in 1.3.With essential oil tray, make a better sleep and release your tiredness4.Build ... ]1. Place humidifier at appropriate occasion, take out fog exit, essential oil plate and upper cover of water tank; lift water container ...