MULTIFUNCTIONAL O3 DEODORIZER - The refrigerator deodorizer can effectively reduce unpleasant odors in enclosed environments such as refrigerators, freezers, shoe cabinets, wardrobes, cars, pet rooms, etc. It also extends food preservation and keeps food fresh. PERFECT FOR REFRIGERATOR DEODORIZATION - Unlike baking soda and bamboo charcoal bags that only absorb odors, the ozone machine actively circulates oxygen to the far corners of your refrigerator quickly and efficiently. Instead of just absorbing odors, it actively eliminates them. Within just a few hours, you'll notice how clean your refrigerator smells. ECONOMICAL CHOICE - No consumables, no filters to replace, and it's reusable! The USB rechargeable refrigerator odor eliminator is fully automatic and maintenance-free, saving you time and money! Stop wasting money on charcoal, baking soda, and deodorizers that you will discard after just a few weeks. EASY TO USE - This refrigerator odor remover comes in a complete and ready-to-use condition. With its single button, the refrigerator cleaner can operate in two modes - Standard Mode (battery life 30 days) and Strong Mode (battery life 72 hours). The built-in battery, when fully charged, can be used for up to 30 days. PRACTICAL, COMPACT SIZE - Suitable for home and travel, this portable odor eliminator has a lightweight and compact size. It weighs only 0.24 lbs (110g) with a dimension of 4.92 x 1.37 x 1.33 inches (125 x 35 x 34 mm), meaning it can be moved anytime, fit anywhere, and save more space in your refrigerators and shoe cabinets.