Quick recharge time of approximately 3.5 hours using a standard USB-C cable. Cordless design with a built-in lithium battery that lasts up to 48 hours on a single charge. cylindrical body that fits most car cup holders for easy portability. Lasting oil compatibility with 5/10/15/20mL essential oil bottles, minimizing the need for frequent refills. Water-saving design that eliminates the need for water, ensuring consistent and reliable scent diffusion over time.