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 that is convenient for storage. It includes a built-in 3000mAh battery, allowing for flexible 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 for easy operation. Oil fume separation: Oil molecules are directed through the oil pipe into the oil storage tank, while smoke is purified and discharged through the unit using negative ion technology, enabling effective oil and fume separation. Wide application: This portable kitchen range hood is designed for indoor use and is ideal for homes without traditional hoods, small apartments, RVs, dormitories, electric and induction stoves, indoor grilling, hot pot meals, and camping. It is a convenient addition to any kitchen setup, easy to store, and helps maintain a clean cooking area.