- Ionizer Purification: This car air purifier features advanced negative ion technology and clean-light capability to effectively eliminate pollutants such as smoke, dust, odors, and pollen. Experience improved air quality and breathe in fresh, cleaner air. - One Button Operation & 3 Modes: Designed for simplicity, this air purifier operates with a single button. Choose from three modes: air circulation, anion purification, and a 7-color LED night light. A short press allows you to switch between modes or turn the device on and off effortlessly. - Portable Size & USB Powered: Compact and lightweight, measuring 2.75 x 2.75 x 6.3 inches and weighing just 160g (0.35lb), this desktop air purifier can be easily transported. It connects via USB to any power source, including power banks and laptops (wall charger/adapter not included). Ideal for use in cars, offices, desks, small rooms, and while traveling. It effectively covers an area up to 107 sq.ft (10 sq.m). - Low Noise with LED Night Light: Operating at a whisper-quiet level below 20dB, this purifier ensures a peaceful environment, making it suitable for bedrooms and nurseries. The 7-color LED night light adds a soothing ambiance, perfect for kids, babies, and family use. Use scenarios include: enhancing air quality in your car during commutes, creating a clean workspace in your office, or providing fresh air in a small room while you sleep.