Deodorization, smoke removal.Smart chip:Noise below 1 decibel.One key switch-20 million negative ions Product use: The product is suitable for multiple scenarios, such as hospitals, living rooms, offices, bars, toilets, kitchens, etc.PACKAGE1*Air purifierhello, guys, thank you for visiting my store.Dear buyer,Welcome to our store. Thank you for your attention, Thank you for your support!Welcome to buy from us!