Car Aroma Diffuser SAFETY AUTOMATIC POWER OFF: Automatic power off when no pure ULTRA SILENCE TECHNOLOGY: Lower than 30 decibel and Do not disturb you life style SPRAY MORE SMOOTH AND METICULOUS AND EQUALITY: This Diffuser provide a cool mist and adding moisture to the air, also effectively eliminates dryness, helps with dry chapped skin, lips, sinuses, and coughs AROMA DIFFUSER: Add a few drops of your essential oil or Concentrate to let your car a fresh and clean scent