3-Stage Filtration and HEPA Filter: This desktop air purifier with low power consumption of 5 W is highly energy-efficient and safe. Equipped with a HEPA filter and two activated carbon filters, the 3-stage filtration system captures up to 99% of airborne particles, helping to deliver fresher and cleaner air. Air Purifier and Diffuser in One: This USB-powered desktop air purifier functions not only as an air cleaner but also as an essential oil diffuser. Add a piece of aromatherapy pad to the storage box to enhance air quality and create a healthier home environment. Quiet Operation: Features 360° circulation cleaning to effectively purify the air. Operates at less than 30 dB, providing a quiet and comfortable environment for rest and sleep. Ideal for children, babies, and the whole family, supporting a healthy living space. Compact and Portable Design with Wide Coverage: This compact air purifier measures 4.7 x 4.7 x 8 inches and weighs 1.04 lb (470 g). It is portable and can be powered via any USB port, such as a power bank, laptop, or USB adapter (adapter not included). Easily placed anywhere for convenient use. Covers areas up to 15 m², suitable for rooms like offices, bedrooms, kitchens, living rooms, bathrooms, small spaces, and pet rooms. Easy to Use and Maintain: Designed for user convenience with minimal maintenance required. The HEPA and activated carbon filters are easily accessible and replaceable, ensuring consistently clean and fresh air. Ideal for busy individuals seeking an efficient and hassle-free air purification solution.