Waterless essential oil diffuser designed for car and small spaces. Uses cold air diffusion to turn essential oils into dry mist particles without adding water, dispersing scent evenly within minutes. Key benefits Waterless operation: use directly with essential oil bottles, no water needed and no dilution of fragrance. Efficient cold air diffusion: converts oil into fine dry mist for higher utilization and consistent scent distribution. Long run capability: built in rechargeable 2000mAh lithium battery and low power consumption for extended use between charges. Large 110ml reservoir: reduces the need for frequent refills and is compatible with 5ml and 10ml essential oil bottles. Adjustable scent and timing: three scent intensity levels plus a four position timer mode for flexible scheduling. Main features Cold air diffusion technology produces dry mist particles from essential oils for steady, uniform aroma. Directfill design accepts common 5ml and 10ml essential oil bottles, eliminating the need to measure or mix with water. Timer settings: Gear 1 runs for 1 hour, Gear 2 runs for 2 hours, Gear 3 runs for 3 hours, Gear 4 runs continuously without timing. Three adjustable scent levels to tailor fragrance strength to the space and preference. Compact and lightweight for easy placement and transport. Built in 2000mAh rechargeable lithium battery with included USB charging cable. Practical use scenarios In the car: mount or place the diffuser to neutralize car smell, air conditioning odor, or second hand smoke during commutes and road trips. At the office or workspace: maintain a pleasant, consistent scent without water refills and adjust intensity to suit shared spaces. In small rooms, bathrooms, or hotel rooms: quickly disperse fragrance to cover confined areas and minimize lingering odors. What is included and compatibility Integrated 110ml capacity reservoir compatible with standard 5ml and 10ml essential oil bottles. Built in rechargeable 2000mAh battery and USB charging cable for convenient recharging in car, at a desk, or with a USB power adapter. Lightweight, portable design for easy installation and movement between car and indoor spaces. Performance and suitability Designed to deliver steady aromatherapy scent without water dilution, suitable for cars, offices, bathrooms, rooms, and travel. Adjustable intensity and timer options provide control over scent strength and operating time to match different environments and schedules.