ULTRASONIC DIFFUSER: Enjoy the fragrance of your favorite essential oils as this high-quality diffuser transforms water and oil into a fragrant mist for diffusing in large rooms. Programmed with safety shut-off feature that allows the diffuser to automatically turn off when the water level is too low to prevent overheating. EASY TO USE: Simply fill the inner compartment with up to 200 mL of water and your favorite essential oil, put the top on, press the button and you are ready to turn your space into a spa. Runs for up to 6 hours on continuous mist mode or 12 hours on intermittent mode, creating a room filled with long lasting natural aroma. WHISPER QUIET TECHNOLOGY: Our diffusers are extremely quiet, no annoying noise that can disturb you while you sleep or work. This essential oil diffuser fills the space with a lovely fragrance that can uplift spirits and relieve the effects from a stressful and tired day, perfect for burying stubborn smoking and pet odors, help to get peaceful sleep surrounded by an aromatic fragrance. COMPACT DESIGN: Unlike bulky diffusers, our space saving design is perfect for your desk, coffee table, nightstand, or countertop without compromising your space or style.