Product Name: Oura Ring Gen3 Smart Ring Size: US8 Condition: There are minor scratches from use, but no noticeable scratches or stains. Operation has been confirmed, and it works without any problems. Battery life is approximately 4 days. Where Purchased: Purchased from the official website. Selling due to decluttering. Accessories: ・Box ・Instruction manual ・Charging base ・USB cable Will be carefully packaged and shipped. If you have any questions or concerns, please feel free to comment.