Easy to Clean: Pour in 75 or 95-degree alcohol and run for half an hour to clean easily, keeping the machine like new. Powerful Diffusion: USB-powered, quickly spreads fragrance over 100 to 1000 square feet. Adjustable fragrance strength to fit your needs. Smart Quiet Enjoyment: Operates for 2 minutes, then pauses for 1 minute to balance fragrance. Noise level is below 30 decibels, ensuring a peaceful experience for sleep or work, with automatic shutdown after 2 hours for safety. Waterless Aromatherapy Diffuser: No need to add water, just add the oil and turn the knob to . Compatible with various essential oils and comes with 30ml of wooden essential oil ready to use. Charges in 4-4.5 hours for 12 uses of 2 hours each. Safe Materials: Made from eco-friendly tempered glass and pine wood, safe for children and pets.