In the refrigerator where food is stored, germs do not kill even in the fridge that feels clean at first glance, and bacteria such as mold bacteria are floating in the air, and they continue to grow. [Clean the air with the power of ozon] Ozone breaks down and removes particles such as viruses and mold bacteria to release clean air. Ozone provides powerful deodorization and disinfection when it is connected to other substances (mold and bacteria). Using this feature, it will purify your space by adding deodorizing, disinfecting and ventilation. Maintains freshness, air purifier, sterilization, and long-term driving. 【Ideal for long-term storage】 Negative ions and ozone release will purify the air in your refrigerator. Inhibits bacterial growth and oxidation of food to keep it fresh. (Simple & Compact) Compact size that can be placed anywhere and is a simple design that will not only fit in your fridge but also in a corner of your room. Convenient USB Rechargeable: Large capacity 4,400 mAh battery allows for up to 20 days of continuous operation on a single charge, making it useful in a variety of locations. Can be used in a variety of places, such as refrigerators, toilets, wooden clogs, cars, etc.