TK8 Health Smart Ring
Model TK8
- Advanced PPG optical sensor for 24/7 heart rate and blood oxygen monitoring
- Comprehensive sleep stage analysis with AI-powered sleep quality scoring
- Body temperature trend monitoring for wellness tracking
- Multi-sport automatic activity recognition with GPS-connected tracking
- IP68 waterproof design — worry-free for daily wear and exercise
- Slim 7.5mm profile, ultra-light 4.5g, titanium alloy construction
Key Features
Core capabilities that set this device apart in the B2B health wearable market.
24/7 Heart Rate
Continuous optical heart rate monitoring with intelligent sampling rate adjustment, providing all-day cardiovascular data without compromising battery life.
Blood Oxygen (SpO₂)
On-demand and overnight SpO₂ tracking with trend analysis, supporting sleep quality assessment and altitude adaptation monitoring.
Advanced Sleep Science
Multi-dimensional sleep analysis covering duration, stages, consistency, and environmental factors with personalized improvement insights.
Body Temperature
Skin temperature variation tracking with baseline comparison, enabling early detection of physiological changes and menstrual cycle insights.
Fitness Tracking
Automatic activity recognition for walking, running, cycling, and more with connected GPS for route mapping and performance metrics.
Stress Management
HRV-based stress assessment with guided breathing exercises and daily stress trend visualization for proactive wellness management.
OEM/ODM Customization
Geyan Technology Innovation offers comprehensive white-label and customization services to help you launch your branded health wearable product quickly and efficiently.
Brand Customization
Custom logo, color options, packaging design, and user manual — fully tailored to your brand identity.
White-Label App
Branded iOS and Android companion apps with your logo, UI theme, and cloud data platform integration.
Firmware & SDK
Custom firmware development, API/SDK integration, and OTA update infrastructure for your ecosystem.
Algorithm Licensing
Proprietary health algorithms available for licensing — sleep, HRV, ECG, blood pressure, and more.
Certification Support
Documentation and testing support for CE, FCC, RoHS, REACH, and FDA 510(k) pre-assessment.
Flexible MOQ
Low minimum order quantities for pilot runs, with scalable mass production up to 50,000+ units/month.
Clinical Applications
Smart ring technology enables continuous, non-invasive health monitoring across multiple clinical domains.
- Sleep Medicine — Continuous overnight SpO₂, heart rate variability, and body temperature tracking for sleep quality assessment and sleep apnea screening support.
- Cardiology — Long-term HRV trend analysis and resting heart rate monitoring for cardiovascular risk stratification. ECG-enabled models support arrhythmia detection.
- Women’s Health — Skin temperature variation and RHR pattern recognition for menstrual cycle tracking and fertility window estimation.
- Chronic Disease Management — Continuous monitoring for hypertension, diabetes, and metabolic syndrome patients requiring long-term vital sign tracking.
Sizing & Comfort
Designed for 24/7 wear with precision fit and ultra-lightweight materials.
- Multiple Sizes Available — US ring sizes 6-12, with a complimentary sizing kit provided for OEM/ODM clients to ensure users find their perfect fit.
- Ultra-Lightweight Design — Weighing only 4-6g, significantly lighter than traditional smartwatches, enabling comfortable overnight and all-day wear without finger fatigue.
- Premium Materials — Titanium alloy or stainless steel shell options with medical-grade epoxy resin inner body, hypoallergenic and skin-safe for prolonged contact.
- Ergonomic Profile — Slim 8mm band width with smooth inner curvature, designed to fit comfortably between fingers without interfering with daily activities.
- Waterproof Design — IP68 / 5ATM rated, suitable for hand washing, showering, and swimming without removal.
Specifications
| CPU | Nordic 54L15 (RAM 256KB, ROM 1.5MB) |
| PPG | Jufei RA3220 x 2, 50Hz sampling rate |
| G-Sensor | MiraMEMS DA267 |
| Bluetooth | BLE 6.0 |
| Battery | 24-32mAh, charging case included |
| Charging Time | ~1 hour |
| Working Time | 5-7 days (connected) |
| Waterproof | IP68 |
| Ring Width | 8mm |
| Weight | ~5g |
| Shell | Titanium alloy outer + Epoxy resin inner body |
| App | H Ring |
| Compatibility | iOS 13+ / Android 8.0+ / HarmonyOS (below 5.0) |
| App Languages | 36 languages |