This beautifully crafted Light Wood USB Diffuser comes with two essential oils to promote restful sleep and relaxation. Inhalation is one of the best ways to enjoy the wellbeing benefits of aromatherapy oils, and our USB diffuser makes it even easier. With colour-changing LED mood lighting, built-in safety features and quiet ultrasonic operation no louder than a whisper, you can choose whether to use it as a humidifier or air purifier. Add a few drops of the 100% pure lavender essential oil or the Sleep Well blend to create a calming and relaxing evening ahead of a restful night\'s sleep.