Natural wood grain look: this aroma diffuser is a great addition to your workspace or home. It's natural and classy look goes with all decor.Big capacity tank and usb charge: upgraded with 130ml big water tank, this diffuser power is supported by usb cable up to 6 hours.7 changing-color light: the diffuser comes with 7 colors of lighting. You can keep them rotating or fix one of your choices. Each color is adjustable between bright and dim. It makes a perfect nightlight for bedrooms.Timer setting and auto shut down: the humidifier comes with 4 timer setting modes and steady on. The diffuser automatically shuts down when the water level is too low.