Compact USBpowered air purifier built for small spaces — quiet, effective, and easy to use. Key benefits Improves breathing comfort by reducing PM2.5, pollen, allergens, secondhand smoke, pet hair and pet odors. Controls odors and airborne contaminants with negativeion function and disinfection capability. Operates quietly (36–45 dB) and includes sleep mode for overnight use. USB power supply enables flexible placement with laptops, phone chargers, power banks, or USB adapters. Technical specifications Air volume: 50 cubic meters/hour Power supply: USB power supply Noise: 36–45 dB (dB) Core functions: negative ion, odor removal, intelligent control, intelligent display, disinfection, PM2.5 removal, sleep mode, pollen removal, dehumidification and purification, secondhand smoke removal, allergen removal, pet odor removal, pet hair removal What makes this product stand out Balanced performance: 50 m³/h airflow removes common indoor pollutants without noise. Simple, modern control: intelligent control and an intelligent display let you monitor and adjust settings easily. Versatile cleaning: designed to tackle multiple airborne problems at once—odors, particles, allergens, smoke, and petrelated contaminants. Practical use scenarios Bedroom: Run in sleep mode overnight to reduce PM2.5, pollen, and allergens while keeping noise between 36–45 dB for minimal disturbance. Home office or desk: USB power supply lets you run the unit from a laptop or adapter to lower secondhand smoke, odors, and fine particles in a small workspace. Pet area or living room corner: Focus on pet hair, pet odor, and allergen removal to reduce triggers and improve indoor air freshness. Simple setup and placement tips Power from a USB port, power bank, or USB adapter for flexible placement. suited for zones and small rooms where 50 m³/h airflow effectively circulates and purifies the local air. Place on a stable surface away from obstructions to maximize airflow and performance. Reliable, straightforward air cleaning—USBpowered convenience with quiet operation and multiple functions to address particles, odors, allergens, smoke, and petrelated issues.