<p data-start="288" data-end="730">The Xiaomi Smart Air Purifier 4 Compact brings powerful air purification technology into a small, space-saving design. It uses a high-efficiency HEPA filtration system that removes <strong data-start="469" data-end="516">99.97% of particles as small as 0.3 microns</strong>, including dust, pollen, smoke, pet dander and airborne allergens. Its smart 360° air intake ensures uniform purification, making it ideal for bedrooms, study rooms, offices, nursery spaces and compact apartments.</p> <p data-start="732" data-end="1256">Designed for effortless smart living, the purifier features <strong data-start="792" data-end="828">real-time air quality monitoring</strong> through a PM2.5 indicator and color-coded LED display. The advanced auto mode adjusts fan speed dynamically based on pollution levels, ensuring clean air at all times with zero manual effort. You can fully control the purifier through the <strong data-start="1068" data-end="1087">Xiaomi Home App</strong>, allowing scheduling, filter life checks, and smart automation routines. It also supports voice assistants like <strong data-start="1200" data-end="1230">Google Assistant and Alexa</strong> for hands-free operation.</p> <p data-start="1258" data-end="1673">Despite its compact size, the Air Purifier 4 Compact prioritizes silent operation with noise levels as low as <strong data-start="1368" data-end="1394">20–25 dB in Night Mode</strong>, making it ideal for uninterrupted sleep. Its energy-efficient motor consumes very little power, ensuring long-term, cost-effective use. The purifier’s filter is easy to replace with long-lasting performance, and its modern white design blends seamlessly into any home interior.</p>