Product Features: Compact Desktop Design - Space-saving air purifier optimized for home/office use, ideal for bedrooms, living areas, or workspaces. Formaldehyde Removal Technology - Effectively neutralizes harmful formaldehyde emissions from furniture, paints, and new renovations. Secondhand Smoke Elimination - Rapidly filters and eliminates smoke particles, odors, and airborne pollutants from cigarettes or cooking. Negative Ion Generator - Releases negative ions to freshen air, reduce allergens, and improve overall indoor air quality. Multi-Layer Odor Control - Targets stubborn smells from pets, food, and mildew, leaving rooms clean and refreshed. Quiet & Energy-Efficient Operation - Low-noise performance with eco-friendly energy consumption for 24/7 use. User-Friendly Portability - Lightweight and compact build for easy placement on desks, countertops, or shelves. 1.noise：Below 36dB 2.Power supply method：USB 3.Applicable scenarios：Home use 4.Color：[HEPA purification filter element] 1, HEPA activated carbon composite 5.Control mode：Mechanical 6.Filter type：Composite filter 7.Air purifier air volume :50 m³/h 8.Applicable area：less than 10 square meters 9.function：Eliminate odors and remove PM2.5 10.style：Floor desktop 11.Working principle：Activated carbon, HEPA technology