My Air is a personal Photocatalytic air purifier with Pollen Filter. The 1st company in the world to "decompose" Smoke, pollens, Covid, Influenza, Pet Allergens, Mold & Chemical odors - Acetone, Toluene, Acrylic. Free from UV, Ozone, and Ion-based technologies. Studies (MDPI Journal) · Pet Allergens: https://www.mdpi.com/2305-6304/11/8/718 · Covid: https://www.mdpi.com/1999-4915/13/5/942 · Legionella: https://www.mdpi.com/2073-4344/12/8/856 · Internal Infections: https://pubmed.ncbi.nlm.nih.gov/40087353/ Washable & Reusable filters. Made in Japan. Tested with University of Tokyo and Nihon University. Dimensions: Diameter1.3 x H4.5 in, Weight: 2.89 oz Built in Lithium-ion battery. USB Type C charging cable included. Run time is approximately 12 hours when the battery is fully charged. * EPA EST No.103656-JPN-1 *CARB Certified *UL certified [About Kaltech] https://drive.google.com/drive/folders/1l1lb6JYt5SF8RIjJ9-ng_V2YGt2ovsvJ?usp=drive_link