What it is: A cordless, ultrasonic oil diffuser that allows you to effortlessly scent your space and uplift your mood. What it does: This rechargeable home diffuser uses ultrasonic vibrations to atomize water and fragrance oil to release fresh fragrance without heat, maintaining the integrity of the fragrance oil. Designed with simplicity in mind, the one-button operation ups the ambiance for more than three hours, and the automatic safety shut-off allows you to relax and enjoy.