Breathe cleaner air and enjoy light aromatherapy with a compact, USBpowered negative ion generator designed for home, car, and office use. This unit reduces airborne particles and targets odors and contaminants like cigarette smoke and formaldehyde while also offering a builtin aroma diffuser with herbal pads for a subtle scent experience. Key benefits Cleaner indoor air: The negative ion generator helps reduce airborne particles to create a fresher atmosphere you can notice shortly after turning the unit on. Targets common indoor pollutants: Designed to work continuously on odors and harmful substances such as cigarette smoke and formaldehyde, improving the quality of your immediate breathing space. Dual function—purification plus scent: The builtin aroma diffuser accepts herbal pads so you can add a few drops of your preferred essential oil for a mild, pleasant scent while the device cleans the air. Portable convenience: Small, lightweight, and USBpowered for easy placement and use wherever you need it. What makes it practical USB compatibility: Powered by any standard USB source—computer, USB wall adapter, power bank, or car USB port—so it works at home, in the office, or on the road. Compact footprint: At 190 × 122 × 122 mm and about 300 g, the unit fits neatly on desks, nightstands, kitchen counters, or car consoles without taking up much space. Simple operation: Plug in via USB and place an herbal pad with a few drops of essential oil if desired. The purifier runs continuously to maintain fresher air. Typical use scenarios Bedroom or nightstand: Keep the unit running overnight to reduce odors and particles near your sleeping area while enjoying a subtle aromatherapy scent. Car console: Plug into your vehicle's USB port to help lessen lingering smoke odors and other incar pollutants during commutes or road trips. Office desk: Run on a laptop or USB adapter to improve air quality at your workstation and add a gentle, nonintrusive scent. Specifications Function: Negative ion air purification with aroma diffuser Aroma: Builtin diffuser accepts herbal pads for essential oils Power: USBpowered (compatible with USB ports, adapters, power banks) Size: 190 × 122 × 122 mm Weight: Approximately 300 g Color: White This unit is intended to reduce airborne particles, odors, and specific contaminants like cigarette smoke and formaldehyde while providing a convenient aromatherapy option in a compact, portable package.