From JingTider, the R20 Ceramic Smart Ring delivers seamless NFC access and health tracking in a feather-light, discreet form you can wear every day.
- NFC Access Control (not for payments): you unlock doors with a single tap—no phone, wallet, or payment app needed.
- Ultra-thin, ultra-light design: 7 mm ceramic shell and only 3.8 g for all-day comfort.
- Health suite on your finger: monitor heart rate, blood pressure, blood oxygen, sleep, and activity with real-time sync to the Smart Health APK/APP.
- Travel-friendly and practical: long battery life (7–10 days standby; 3–5 days active), quick 1–2 hour charging, and IP68-grade water resistance—follow care notes and avoid submersion.
