{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/zazaulola/ringlink/blob/19bcb716cd50427fffece68e1cb0401ec26e290d/docs/PROTOCOL.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "RingLink reconstructs direct access to RingConn Gen 3 smart rings in an offline Android client. It uses a documented BLE framing and SM3 authentication exchange to sync history and live readings into SQLite, then exports supported health records to Health Connect; it also sends vibration commands for calls and notifications.",
  "description_zh": "RingLink 为 RingConn Gen 3 智能戒指实现离线 Android 客户端。它依据记录的 BLE 帧格式和 SM3 认证流程同步历史与实时读数，先存入 SQLite，再导出到 Health Connect，并可通过振动命令提示来电和通知。",
  "entry_url": "https://awesomerea.org/resources/ringlink-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/ringlink-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/zazaulola/ringlink/blob/19bcb716cd50427fffece68e1cb0401ec26e290d/README.md",
  "group": "cases",
  "id": "ringlink-case",
  "json_url": "https://awesomerea.org/resources/ringlink-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/ringlink-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/ringlink-case/index.md",
  "name": "RingLink: an offline RingConn Gen 3 client built on BLE protocol research",
  "name_zh": "RingLink：基于 BLE 协议研究的 RingConn Gen 3 离线客户端",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "Android 8 or newer and a RingConn Gen 3 ring; Health Connect is built into Android 14+ and available as an app on earlier versions.",
    "JDK 21 to build from source.",
    "Sleep periods are estimates; sleep stages and vendor scores are omitted.",
    "MIT License."
  ],
  "requirements_zh": [
    "需要 Android 8 或更新版本及 RingConn Gen 3 戒指；Health Connect 内置于 Android 14 及以上版本，较早版本需安装应用。",
    "从源码构建需要 JDK 21。",
    "睡眠时段属于估算；未提供睡眠分期及厂商评分。",
    "MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/zazaulola/ringlink",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}