Negative Ion Generator Smart Air Purifier For Home Air Freshener Air Ionizer Sterilization Ion Sterilizer Desktop Air Cleaner f54 Indoor negative ion air purifier, household sterilization and disinfection freshener, in addition to formaldehyde, desktop air purifier Product Name: Sterilization Air Purifier Material ABSandPP or andsiliconeandelectronic components Product size 145x145x133mm Product color box size 145x145x133mm Battery capacity 1500 mAhx2 (3000mAh) Single net weight or gross weight 580g or 720g Style or color white Rated power: 1W Product power: 3W Working voltage: DC5V Working power: 3.7W Working current: 750mA (MAX) Applicable area: 65m Working hours: about 4-6 hours Full charge time: about 3H Motor: Brushless motor Ozone concentration: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.