Dual filtration technology: The portable tabletop range hood features two filters, an oil filter and a smoke and dust filter. The stainless steel mesh ensures durability and easy cleaning, while effectively capturing grease and smoke to create a healthier cooking environment. Space saving: The portable range hood has a compact, lightweight design for easy storage. It includes a built-in 3000mAh battery, allowing for convenient use in various locations. 2-speed low noise: The range hood offers two speed settings, enabling you to adjust airflow based on your cooking needs. This plug-and-play unit works with any mobile power supply or device with a USB port. Oil fume separation: Oil molecules are directed into the oil storage tank, while smoke is purified and released through the unit via negative ion technology, enabling oil and fume separation and filtration. Wide application: This portable kitchen range hood is designed for indoor use and ideal for homes without traditional hoods, small apartments, RVs, dormitories, electric and induction stoves, indoor grilling, hot pot gatherings, and camping. It is a convenient addition to any kitchen setup, easy to store, and helps maintain a tidy cooking space.