Mini Portable Ultrasonic Cool Mist Humidifier,Mist Diffuser,100ML Capacity,Automatic Shut-off,and Night Light Function,USB Cable and Extra Adapter to Plug into AC/DC(Blue) Beauty: Refresh and moister your skin to make it smother. Health: Relive symptoms of cold, sore throat , cough with the aid of more moisture in the air. Silent: Silent comforting sound for sleeping and can relive snoring problems from you and/or your partner. No heat: No heat is used to make the mist, our product uses ultrasonic technology to make it. Safe for sleeping: Automatic shutoff after 3 hours and easy to see when water is running low.