Ozone Sterilization/Deodorizing Device Space Clean DUO TT-52RIB　Set of 4 Sold as Junk A portable, rechargeable, palm-sized ozone sterilizer and deodorizer. - Model: TT-52RIB - Color: Black - Type: Low-Concentration Ozone Sterilizer/Deodorizer - Accessories: Instruction manual, USB charging cable ---The following is the manufacturer's description--- ● Can be used in an area of approximately 1 tatami mat (2㎡). ● Recommended for deodorizing shoe cabinets and closets, and for sterilizing personal spaces. ● Equipped with a -10℃ compatible battery, placing it in a refrigerator allows the ozone to decompose ethylene gas (a hormone that promotes ripening) emitted by vegetables, etc. This helps to maintain freshness and deodorize. Year of manufacture unknown, not listed Received as a gift. Operation confirmed. (Photos 13, 14) A USB charging cable is also included. (Photo 17) A hole was made in the ozone outlet during cleaning. (Photos 18, 19, 20) Please make your judgment based on the images. Ozone deodorizer, sterilization, corona, pollen, allergies, air purification, in-car, office, desk, hospital, prevention, health, ozone treasure, discontinued, rare, scarce, hard to obtain