1.360°Hair Capture: Circular grille for full air intake, efficiently trapping pet hair and debris. 2.4-in-1 Filter: Primary, H13 HEPA, activated carbon, plus replaceable pet cotton layer. 3.Odor Control: Top essential oil box for neutralizing pet odors. 4.Compact Size: Meets Amazon  standard size, fits various home spaces. 5.Auto Purification: Infrared sensor adjusts wind speed based on real-time air quality. 6.Smart Display: Large top screen with air quality values, light ring, filter status, child lock, and auto mode. 7.Simple Controls: Four buttons power, timer, speed, and light for easy operation.