100ml Cool Mist Humidifier with 7 Color LED Mood Lights for Office and Bedroom GREAT GIFT – Portable for yoga, gym, office, baby room or bedroom up to 200 sq feet. Perfect gift for family and friends who love aromatherapy or can benefit from aromatherapy healing. VERSATILITY – Choose your favorite essential oil to happy family, sweet dreams, relax and relieve stress, fight allergy, cold or flu symptoms. SUFFICIENT MIST FLOW – Unlike other diffusers, this one designed in a great mist. Use constant mist or 30 second durations, better enjoying aromatic fragrance and moisturizing the air around with a good supply of mist. ULTRASONIC QUIET – Our diffuser has quiet ultrasonic qualities. Its soft hum allows you to have a peaceful aromatic experience each time, especially for use in a nursery or workspace.