MULTIPLE MODES: This aromatherapy diffuser has 7 colors light fixed mode, cycle mode, breathing light mode, which can be adjusted according to your preference. AROMATHERAPY: You can add 3 to 5 drops of your favorite essential oils that will relieve fatigue, moisturize your skin, and create a relaxing, pleasurable ambiance for you. SUPER QUIET, AUTO SHUT OFF: It features a super quiet 25dB operating mode to help calm your emotions, relieve stress and improve your sleep quality. It will automatically shut off once it runs out of water during working, which is very WIDELY USED: This aromatherapy diffuser is suitable for home, living room, office, big room, bedroom and gym, and can also be a great present for friends, family or loved ones.