Fotus Air Portable & Rechargeable Waterless Essential Oil Diffuser – Sleek Aluminum Aromatherapy Diffuser for Home, Car, Office & Travel Experience effortless aromatherapy anywhere with the Fotus Air Waterless Essential Oil Diffuser. Designed with a premium aluminum alloy body and advanced cold air diffusion technology, this cordless essential oil diffuser disperses fragrance without water or heat, preserving the natural benefits of your oils. Perfect for home, office, car, bedroom, or travel, it provides pure, long-lasting aroma and can effectively cover small to medium rooms. Choose between 3 adjustable mist intensity levels for customized scent strength and enjoy 3 calming LED light options to create the ideal mood. Featuring a USB-C rechargeable battery for true portability, this compact diffuser is also designed to work while plugged in for continuous operation. Compatible with most 10ml–15ml essential oil bottles, it offers convenience with no messy refilling.