Item specifics:Certification: CEStyle: Air PurifierType: Negative IonModel Number: G-30Material: ABS + electronic componentsVoltage (V): 5VPower (W): 4WNoise: ≤26dBApplication area: 6000000pcs/m⊃3;Ozone concentration: ≤0.02ppmFormaldehyde Removal Rate: 99.00%Wind Speed: StandardAir Volume: 51-150m⊃3;/hBattery capacity: 1500mAPower Supplied: Solar/Car Charger/USBScope of application:Car, Home, Office, etcFunction: Aroma Diffuser/Humidifier/Air PurifierFeatures:1.High concentrations and high-quality negative ion generator generate negative ions, rapid remove smoke and PM 2.5, refreshing and uplifting2.Intelligent switch, the car starts, the machine started, car parking stall, the machine stopped working, help to eliminate the troubles that we forget to switch3.Two hours automatic shutdown power management, more humane and reasonable4.Take the place of the traditional aromatherapy seats, more environmentally friendly5.You can add aromatherapy and essential oils freely.Specifications:Color: White/BlackItem Size: Approx. 135 X 135X40mm / 5.2 X 5.2X 1.4 inNet weight: Approx. 210gPackage Size: Approx. 235X 175X50mm / 9.2X 6.7X2inPackage Weight: Approx. 540g