خاتم Goodway الذكي R20: تتبع الصحة عبر NFC، ومراقبة النوم، وبلوتوث 5.0

Core Features:

1. Health & Fitness Tracking

   • Real-time heart rate, blood pressure, SpO2, and sleep stage analysis.
   • Step/distance/calorie tracking with AI-powered accuracy.
   • 10+ sport modes with auto-recognition (running, yoga, golf, dance).

2. Smart Connectivity

   • NFC-enabled for secure tap-to-pay transactions.
   • Bluetooth 5.0 syncs to smartphones (30m range).
   • "Care Mode" shares health alerts with linked contacts.

3. Premium Design

   • Ceramic black finish (IP68 sweat/water-resistant).
   • 8-14 sizes (18.1-23.2mm inner diameter).
   • Ultra-lightweight (3.6-4.5g) with hypoallergenic materials.

4. Performance

   • 15mAh battery: 7 days active use / 20 days standby.
   • Magnetic contact charging (1.5hr full charge).
   • Multi-language support: 

     EN, ZH-CN, ZH-TW, RU, UK, DE, FR, IT, ES, PT, PL, EL, RO, HU, CS, SK, GA, HR, SV, DA, FI, AR, FA, NO, JA, KO, TH, VI.

Kifurushi & Compatibility:

• Includes magnetic charger, sizing guide.
• Android 5.1+ / iOS 8.0+.