Versatile O3 generator - The TRILINK O3 ozone generator is a smart air purifier, effectively reducing bad odors in closed environments such as refrigerators, freezers, shoe cabinets, closets, wardrobes, cars, pet rooms, etc. It also extends the shelf life of food by reducing spoilage. Perfect for refrigerator deodorizing - As a refrigerator deodorizer, unlike bags of baking soda and bamboo charcoal which do not than absorbing odors, the ozone machine circulates active oxygen to every corner of your refrigerator, quickly and efficiently. Instead of just absorbing odors, it actively eliminates them. In just a few hours, you'll notice how great your fridge smells. Economical choice - No consumables, no filters to replace, and it's reusable! The USB Rechargeable Refrigerator Odor Eliminator is fully automated and maintenance free, saving you time and money! Stop wasting money on charcoal, baking soda and air fresheners you'll throw away after just a few weeks. Easy to Use - This ozone refrigerator odor cleaner comes in a complete and ready to use condition. Thanks to its single button, the refrigerator cleaner can operate in two modes: standard mode (30 days battery life) and strong mode (72 hours battery life). Its built-in rechargeable battery, when fully charged, can be used for up to 30 days. Compact and convenient size - Suitable for home and travel, this portable ionizer air purifier is lightweight and compact. This mini, portable air purifier weighs just 110g with a dimension of 125 x 35 x 34mm, meaning it can be moved anytime, fit anywhere, and save you more space in your fridges. and shoe cabinets.