WinCheer Active Oxygen Refrigerator Air Purifier keeps your health at your fingertips! Speciafication: Product Name: Fridge Freshener Purification principle: Active Oxygen Purification Color: Pure White Battery capacity: 2000mah Standby time: about 600 hours Rated power: 0.5W Main material: Environmental protection ABS Applicable area: about 1 m³confined space Active oxygen content: about 0.05PPM Charging interface: Micro USB Charging voltage: DC 5V Working temperature: 0°-50° Work indicator: blue (front), red and green (front) Accessories: Instructions, data lines, regular packaging Product charging: LED light is red when charging, LED turns green after charging is full Available scenarios: Relatively closed places such as refrigerators, shoe cabinets, wardrobes, and interiors, but depending on the size of the space used, the effects will be affected. Operating mode: Low gear: 6 minutes of work, 2 hours of standby Mid gear: 6 minutes of work, 1 hour of standby High gear: 6 minutes of work, 0.5 hour of standby Precautions for use: During use, please put the purifier in the highest position, because the density of active oxygen is larger than that of air, and the process of gas sinking can disinfect and remove odor. In addition, due to the temperature difference between the refrigerator and indoors and outdoors, please do not remove it frequently if it is not necessary, otherwise it will affect the life of the product. Package included: 1 * Refrigerator Deodorizer 1 * USB charge cord 1 * User's manual