EW-10105D Features: -Ultrasonic aromatherapy diffuser. -Includes free 10ml 100pct pure mint essential oil. -Improves the inside air condition giving you relaxation, refreshment and comfort. -Can be used for essential oil, fragrance fume and aromatherapy oil. -Moisturizes, smoothes and revitalizes skin with essential oils. -Easy to use, safe and silent. -Removes germs and bacteria from the air. -Max 2 Watts, operates on DC 5 volts. -Works on both AC adapter and USB (included). -100 ml capacity. -Comes with two optional functions: Turn on the elegant light or not. -Manufacturer provides 1 year limited warranty for parts.