Long-lasting Battery and User-friendly: Designed to be cordless, our air filter features a large 2000mAh battery that provides long-lasting performance. It can be easily charged using a USB interface, making it convenient for use anywhere. Additionally, it operates with low noise levels and can be set to a timer for convenient purification. Purification Principle: Our mini air purifier utilizes the power of negative ions to quickly eliminate odors, remove formaldehyde, break down unpleasant smells, and refresh the air. It provides efficient and effective purification, ensuring a clean and healthy environment. Compact Size and Versatile Use: With dimensions of approximately 11.5x11.5x3.5cm (4.53x4.53x1.38 inches), our air purifier is compact and portable. It is suitable for a wide range of environments, including offices, cars, living rooms, bedrooms, bathrooms, refrigerators, and closets. Its small size allows for easy placement and ensures efficient air purification wherever it is needed. Durable Material and Sleek Design: Crafted from durable ABS material, our air freshener is built to last. The surface is smooth and from burrs, ensuring a comfortable touch. Its minimalist design exudes an air of sophistication and elegance, adding a touch of Type to any space. Powerful Fan and Enhanced Stability: Equipped with a powerful fan, our air purifier filter covers a wider area, ensuring thorough purification. The bottom of the purifier is designed with anti-slip features, providing enhanced stability and preventing accidental falls. The user-friendly button controls make operation simple and convenient.