crystal salt stone aromatherapy essential oil diffuser usb air humidifier with colorful led lamp negative ion aroma diffuser

portable mini humidifier: portable and small design, convenient to take with you anywhere. ideal for car, travel, bedroom, office, effectively moisturize dry skin and help you reduce skin peeling, nose bleeding. usb only: without battarry. the usb is compatible with the usb port of any device,safe and easy to use. two spray modes and automatic shutdown: continuous spray & intermittent spray. click the spray button for the first time to activate continuous spray mode. click the spray button a second time, switch to the intermittent spray mode, click the spray button for the third time, turn off the spray..syi