SY15 Smart Ring
Model SY15
- Essential smart ring with core health monitoring at an accessible entry point
- Reliable PPG heart rate and SpO₂ blood oxygen tracking 24/7
- Automatic sleep monitoring with sleep stage analysis and quality scoring
- Daily activity tracking — steps, calories, distance, and active minutes
- IP68 waterproof with durable stainless steel construction
- 7-day battery life with compact charging case for on-the-go recharging
Key Features
Core capabilities that set this device apart in the B2B health wearable market.
Core Health Monitoring
Essential health metrics — heart rate, blood oxygen, and sleep — delivered with reliable accuracy through a proven PPG optical sensor platform.
All-Day Activity
Step counting, calorie burn estimation, distance tracking, and active minutes monitoring to support daily fitness goals and healthy habits.
Sleep Analysis
Automatic sleep detection with light, deep, and REM stage breakdown, providing a morning sleep score and personalized insights for better rest.
7-Day Battery
Extended battery life of up to 7 days on a single charge, with a portable charging case that provides an additional 3 full charges for weeks of cord-free use.
IP68 Protection
Fully sealed against dust and water ingress, suitable for hand washing, rain, and sweat without worry.
Lightweight & Comfortable
At just 5g with a slim 8mm profile, the SY15 is designed for all-day and all-night comfort, easily forgotten on your finger.
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 |