Convenient Battery Operation: Enjoy up to 48 hours of aromatic bliss with the built-in rechargeable battery, allowing cord-free use and enhanced portability. This diffuser charges via a standard USB-C cable, ensuring you can power it up easily wherever you are. Initial use requires connection to a power source. Advanced Waterless Technology: Utilize cutting-edge nano-atomization technology for a water-free operation that is both eco-friendly and hassle-free. This technology ensures a more intense fragrance dispersion compared to traditional diffusers, making it ideal for any environment. Customizable Timing Function: Tailor your aromatic experience with adjustable timer settings and touch controls. Choose from 3 intermittent mist settings and 4 timer options (1, 2, 3 hours auto-off, or continuous operation), creating the perfect ambiance for relaxation or focus. Portable and Versatile: This compact and essential oil diffuser is ideal for any setting, including cars, offices, or homes. It features a built-in 20ml essential oil bottle, accommodating most 5/10/15/20ml essential oils available on the market, ensuring you can enjoy your favorite scents anywhere. Enhanced Aromatherapy Experience: Maximize the therapeutic benefits of essential oils with this efficient diffuser. Without the need for water, the pure essence of the oils is dispersed, providing a stronger and more beneficial aromatic experience to soothe, invigorate, or relax your senses.