Waterless Aromatherapy Diffuser: No need to add water, just add the oil and turn the knob to . Compatible with 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. 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. Powerful Diffusion: USB-powered, quickly spreads fragrance over 100 to 1000 square feet. Adjustable fragrance strength to fit your needs. Easy to Clean: Pour in 75 or 95-degree alcohol and run for half an hour to clean easily, keeping the machine like . Safe Materials: Made from eco-friendly tempered glass and pine wood, safe for children and pets. Versatile Use: Suitable for home, office, studio, bedroom, yoga room, kitchen, hotel, or large spaces to create a fragrant atmosphere. Color: brown Material: Glass + Wood Package Contents: 1 x Waterless Essential Oil Diffuser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.