CVHVBH Portable Single-Channel Positive Pressure Airflow Modulation Equipment with Auto/Manual Settings, Under 37dB for Nighttime Comfort, Perfect for Home Comfort and Travel Convenien

【Portable 320g Design】Lighter than smartphones (14.3×9×5.4cm) with premium velvet storage pouch and portable carrying case to keep your unit organized and protected on the go. 【Smart Pressure Release】Dynamically regulates airflow intensity during use for natural comfort. Intelligently activates and pauses based on usage. 【Gradual Ramp Technology】Starts at ultra-low intensity with adjustable delay settings (0-60mins), smoothly increasing to preset levels for gentle acclimation. 【Water-Free Comfort Tech】Dry-filter system maintains optimal air moisture without water tanks or refills, eliminating maintenance hassles. 【Quiet 36.8dB Operation】Integrated noise-diffusion silencer ensures near-silent performance (≤37dB), ideal for shared spaces.