β Xiaomi Smart Air Purifier 4 Lite with google voice β The powerful filter element vigorously absorbs harmful gases such as formaldehyde volatilized from decoration and new furniture. β Antibacterial coating, 99.99% inactivation of some bacteria β Quadruple powerful filter element, purification layer by layer. Say goodbye to the hidden dangers of breathing β Beautiful design, more in line with your home placement β The footprint is smaller than A4 paper, which is conducive to placing in a small space. β Sleep noise is as low as 35.8dB(A), and the screen brightness can be turned off. warranty tick 6 Months Brand Warranty