The Gaia Aroma Spa diffuses natural aroma scents into the air to Invigorate, Relax, and Relieve stress. A heat function is used to diffuse the aroma beads. To change the scent, simply change the beads inside. The contemporary, user-friendly design has a red LED indicator that glows when in use. The built-in power allows you to simply plug in and use. Includes Four Scents: Jasmine; awakens passion and makes you feel positive and confident, Vanilla; Eases tension, anger and frustration, giving a sense of calm and comfort, Seaweed; Relaxing aroma helps you to sleep with ease. Rose; Sweet fragrance uplifts and enhances well being.