Description:The operation is simple and easy to carry. Designed for the most readily derived bacteria and bacteria, the internal ventilation, piping and wet and effective disinfection. Features:1. Small and lightweight, which is easy to carry.2. Have an effective disinfection, let you to take deep breaths, and let the fresh air fill up very cell of your body.3. One-button control, no need for setting.4. Sterilization of the bacteria by using ozone, the function and characteristics of ozone.5. Maintenance free, no consumables.6. Silent designing, built in high power processor, running noiseless. 7. The product has a appearance patent and has passed the CE.FCC certification.8. Come with a rechargeable lithium-ion battery. And the charger is included.9. 50,000 Hrs lifetime.Specifications:Item Type: Air PurifiersRechargeable Lithium-ion battery: 2200mAhBattery Life: 10 yearsWorking Voltage: DC3.6-4.3VPower: 3WStorage Temperature: -20 centigrade -55 centigradeOperating Temperature:-5 centigrade -45 centigradeIPX 1P (Ingress protection): IPX1Item Size: 10.5 x 6 x 4.2cm / 4.1 x 2.4 x 1.7inchPackage Weight: 358gPackage List:1 x Main Machine1 x USB Cable1 x English Manual.