1. Pure essential oil waterless diffuser, preserves therapeutic properties. 2. Built-in with 2000mAh battery, Lasting for 2-8 days working time after fully . 3. One button for easy control 4. Light in weight, compact and portable. Suitable for car,home,ofice, hotel. 5. Intelligent Loop Nebulizing Diffuser, Transform your space with our waterless nebulizer diffuser. Note:The machine does not contain essential oils 3 Intensity Settings, Adjust the concentration you need to fill the space with the aroma. Pause 1min,diffusion 60s.Working last for 2 hours, and standy 22 hours, and cycle. Pause 3mins, diffusion 40s.Working last for 8 hours, and stand by 16 hours, and cycle. Pause 5mins, diffusion 20s. Working last for 8hours, and stand by 16 hours, and cycle. Not Limited All single essential oils can be used, Please use the oil-based essential oils,Do not use water-soluble essential oils,alcohol, diffuser liquid,perfume,chemical water-soluble fragrances. The faint fragrance is intoxicating Enjoy the advantage of aromatherapy without the hassle of water with our nebulizer diffuser. Colour:Black Material:Plastic Package Contents: 1 * Essential Oil Diffuser (Does not contain essential oils) 1 * Charging cable 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.