
TK9 Health Smart Ring
Model TK9
- Multi-sensor health platform with PPG, temperature, and motion sensors
- Continuous SpO₂ and heart rate monitoring with medical-grade accuracy
- Advanced sleep apnea risk screening with overnight SpO₂ pattern analysis
- HRV-based stress and recovery tracking with daily wellness reports
- IP68 waterproof with durable ceramic-infused coating for scratch resistance
- Titanium alloy shell, 8mm width, 5g weight, available in 4 elegant colors




Key Features
Core capabilities that set this device apart in the B2B health wearable market.
Multi-Sensor Fusion
Integrated PPG, temperature, and accelerometer sensors working in concert for comprehensive health data fusion and superior accuracy.
SpO₂ & Apnea Screening
Continuous overnight blood oxygen monitoring with pattern analysis for sleep apnea risk assessment, providing actionable health insights.
HRV Wellness Analytics
Advanced heart rate variability analysis with stress, recovery, and readiness scores, helping users optimize daily performance and long-term health.
Women’s Health
Skin temperature and resting heart rate pattern tracking for menstrual cycle prediction and fertility window estimation with privacy-first data handling.
Smart Notifications
Discreet vibration alerts for calls, messages, and app notifications with customizable priority settings for minimal disruption.
Long Battery Life
Optimized power management delivering 6-7 days of typical use, with rapid charging that provides a full day of use in just 15 minutes.
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 |