【Air purifier with fragrance sponge and night light function】: add a few drops of essential oil (not included) to the sponge under the air outlet of the purifier, the aroma will diffuse with the air movement; the air purifiers for home have a blue night light Function, long press the switch to turn on or off【(Available for California) Multiple Filtration System】: HPEA Air Purifiers for home with UV Light & 4 in 1 Nano-Silver Coating Filter clears out 95% of 0.3-micron airborne contaminants, reduces and & absorbs smoke & odors via the nano-silver coating and carbon layer, the UV light and the blue net keep the air clean around you. (replacement air filter available to purchase – search "TOPPIN Air Filter")【High Efficiency Air Purifiers for Bedroom】: Light (3.2lb), small(6.3*6.3*9.3 in) but mighty with large purification area covered(up to 160sq.ft). Perfect for quickly cleaning a wide range of contaminants including dust, pollen, pet dander, cooking and smoke odors in a certain space【Quiet Operation & 3 Fan Speed】: HEPA Air purifier runs at low noise level (