Brand Name:Kesoto Air Volume:Below 50m³/h Power (W):Other Voltage (V):5V Hign-concerned Chemical:None Origin:Mainland China Application area:<10㎡ Dimension:other Function:Deodorization Wind Speed:Standard Usage Condition:Household Type:Negative Ion Application:3-8m³ Style:Air Purifier Installation:USB Power Source:USB Certification:ce Noise:≤50dB Anion Density:>4000000pcs/m³ Oxygen Supply:Below 1L/min Power Supply:USB feature1:air purifier ozone generator ionizer large room feature2:car home negative ion generator air purifier feature3:odor remove disinfection air purifier machine