This is a NWT white waterless essential oil diffuser! Unlike traditional and other waterless diffusers, this waterless diffuser adopts the latest Cold Air Diffusion Technology to transform your favorite pure essential oils into "nano-mist" in seconds..no heat or water required. It has 3 Intermittent Mist Cycle Modes. Customize your aromatherapy experience with 3 intermittent mist modes. This smart cycle design helps conserve essential oils while keeping your space gently filled with fragrance throughout the day. No Need To Remove The Dropper Plug. The battery operated diffuser features an innovative dropper plug design compatible with DIN18mm threaded bottles, allowing you to effortlessly use it without removing the dropper caps. Compatible with most essential oil bottles from 5ml to 50ml and various pure essential oils on the market. The battery powered diffuser provides up to 7 days of operation on a full charge in low intensity mode, freeing you from frequent charging and a full charger of just 3 hours. The portable cordless nebulizer diffuser is suitable for various spaces such as home, bedroom, living room, hotel, kitchen, or various scenes such as work, sleep, leisure, exercise, spa, yoga, meditation, business trips, outdoor camping, etc. Ultra Quiet & Wide Coverage…Enjoy a peaceful ambiance with our Advanced noise reduction technology, operating at under 28dB. This waterless aromatherapy machine effectively covers an area of 400 to 700 sq.ft.