Feature: 1. 1. Working Principle: Air is used as the medium, no other auxiliary materials or additives are needed, and it has good tolerance and good diffusivity. 2. 2. Perfect Choice for Refrigerator Deodorization: Good tolerance, good diffusivity, and strong function of removing mildew, fishy, ??odor and other odors. 3. 3. Principle: The rapid decomposition of ozone into oxygen is a unique advantage. Ozone is produced by using oxygen in the air. During the cleaning process, the excess oxygen is combined into oxygen molecules after 30 minutes, and there is no residue, which solves the problem of secondary pollution and saves the need for re-cleaning after cleaning. . 4. 4. Cute and Compact: The exquisite and compact body shape allows you to put it in any small space. Mini air purifiers can be used in various small places and spaces to deodorize and purify the air. 5. 5. Wide Applications: When used in refrigerators, it can eliminate microorganisms and peculiar smells in the refrigerator, and prolong the preservation period of vegetables, fruits and various meats. Removes all kinds of microorganisms and odors when used in shoe cabinets. For Wardrobe: Eliminates all kinds of mold and odor. For automobiles: Eliminate odors, formaldehyde and harmful gases emitted by leather products. Specification: Material: ABSOzone concentration: more than 20mg/hInput: 5V/1ABattery capacity: 800mAhCharging time: 1.5 hoursBattery life: about 40 hoursProduct color: whitePackaging size: about 14.5*5.6*4.2cmWeight: about 110g Package List: Air Purifier*1USB Cable*1 Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.