DetailsBeautiful compact aromatherapy ultrasonic USB diffuser or humidifier. (White) Great gift idea! Perfect for work or in the study safely powered by a spare usb port on your pc or laptop. Fill with 60ms of water and use as a humidifier or add a few drops of your favourite aromatherapy essential oils or blends to the water for vaporization. An ultra fine mist of vapour puffs continuously from the top vent, all at the touch of an on-off switch. Comes complete with usb cable. Has a rubber moulded base to prevent slipping or scratching. Approx. 146 grams in weight and 9cms diam.