Xiaomi Mi Air Purifier 4 Compact White EU BHR5860EUSmart Air Purifier 4 Compact Clean air where you need it Allergen removal Smart control Real time air quality monitoring Allergen removal for allergy sensitive people Dual use for table and floor Compact size and small footprint Automatic adjustment of purification speed Particulate matter sensor 48 m Room size base on 2 ACPH Visible results with the air quality indicator A peaceful and undisturbed night's sleep 20dB at a low noise level of Low energy