• Waterless, portable ultrasonic diffusion• Fits directly onto 5–15 ml essential oil bottles• USB-rechargeable with multiple diffusion modes The Oda Portable Essential Oil Diffuser is a sleek, compact, and fully waterless diffuser designed for effortless aromatherapy anywhere you go. Instead of filling a reservoir, the Oda attaches directly to your essential oil bottle, creating a clean, mess-free experience. Its ultrasonic nebulising technology gently releases pure essential oil into the air — no heat, no dilution, and no water required. Perfect for the home, office, car, or travel, this lightweight diffuser offers simple one-button control, adjustable mist output, and a rechargeable design for fuss-free use throughout the day. With quiet operation and pure, concentrated diffusion, the Oda delivers powerful aroma in a small, elegant package. DO NOT USE CARRIER OILS IN THIS MACHINE