Overview
- Casio began selling the CRW‑H001 (CRW‑H001M‑8) in mainland China for 1,990 yuan, marking the first model in its ring line with integrated biometric sensors and a working LCD display.
- The ring’s sensors record continuous heart rate, blood oxygen, body temperature, sleep stages, steps, calories and activity modes and they sync over Bluetooth to the AIZO Ring app on Android, iOS and HarmonyOS.
- Hardware tradeoffs are clear: the full‑metal design uses metal injection molding and ceramic lining but weighs 19 grams, far heavier than typical smart rings, which may affect overnight wear and sleep data quality.
- Casio rates the smart module battery for roughly 4–6 days of active use and about 25 days on standby, while a separate watch battery lasts about two years and charging uses a magnetic pogo‑pin cable.
- The device is positioned as a wellness product, not a medical device, and analysts say its competitiveness will hinge on the AIZO Ring software, long‑term wearability, and whether Casio expands sales and after‑sales support beyond China.