1. Multifunctional O3 Deodorant: Refrigerator deodorizer can effectively reduce unpleasant odors in closed environments such as refrigerators, freezers, shoe cabinets, cabinets, cars, pet rooms, etc. It also extends the shelf life of food and keeps it fresh. 2. Ideal for refrigerator deodorization: As a refrigerator deodorizer, unlike baking soda and bamboo charcoal bags that only absorb odors, the machine quickly and efficiently circulates active oxygen to the far corners of the refrigerator. Not only does it absorb odors, it also actively removes them. In just a few hours, you'll notice how clean your refrigerator smells. 3. Economical choice: No consumables, no need to replace the filter, reusable. The USB rechargeable refrigerator deodorizer is fully automatic and maintenance free, saving time and money. 4. Easy to Operate: This refrigerator deodorant is provided in a complete ready-to-use state. With just one button, the refrigerator cleaner works in two modes: standard mode and strong mode (72 hours of battery life). 5. Convenient and compact size: This portable deodorizer is light and compact in size, suitable for home and travel. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.