Thank you for viewing. I'm selling this because I upgraded to Gen4. This is the "Heritage" model with a flat top, a classic design. Recommended for those who prefer a flat top. Retail Price: ¥35,000 ✅ Oura Ring Gen3 (3rd Generation) Heritage Model ✅ Color: Silver ✅ Size: US8 ✅ Condition: Some scratches from several months of use, initialized, battery lasts for 3 days with normal use. ✅ Purchase Date: May 2025 (Purchased new from Mercari) ✅ Accessories: All included (box, charger, instruction manual) ✅ Bonus: Spare charger (Gen2 charger, but works) This is a smart ring that accurately records sleep, heart rate, activity levels, and temperature changes. ⚠️ Note: A subscription is required to use all features. I plan to ship via Rakuraku Mercari Bin or Yu-Yu Mercari Bin (with tracking and anonymity). I may change the shipping method without notice depending on the situation, so please let me know before purchasing if you have a preference.