Embark on a journey through the senses. Voluspa’s ultrasonic Fragrance Oil Diffuser effortlessly scents your space and uplifts your mood with the push of a button. Portable & Cordless - Allows fragrance to accompany you from room to room, or while traveling, both near and far. You have enough to think about— Automatic shut off. Place your Fragrance Oil Diffuser in your desired location and let the fragrance transform your space for over 3 hours.