Inside Smart Ring Sensors: SpO₂, Temp & ECG Tech for OEM/ODM
Technical Deep Dive
1. Sensor Performance Benchmarks
| Sensor | Technology | Accuracy | Power Draw | Clinical Use Case |
|---|---|---|---|---|
| SpO₂ | Dual-wavelength PPG (660nm+940nm) | ±2% (vs. hospital pulse oximeter) | 3.2mA | Sleep apnea screening |
| Skin Temp | MEMS thermopile array | ±0.1°C (baseline tracking) | 1.8mA | Early infection detection |
| ECG | TI AFE4900 chipset | ±1.5μV (FDA-cleared) | 4.5mA | Atrial fibrillation monitoring |
*Data based on 1,200-hour clinical trials with 700 participants*
2. OEM Customization Options
| Module | Medical Edition | Consumer Edition | Sport Edition |
|---|---|---|---|
| Sensor Suite | SpO₂+Temp+ECG | SpO₂+Temp | SpO₂+Motion Analytics |
| Accuracy | Hospital-grade (±2% SpO₂) | Consumer-grade (±3% SpO₂) | ±4% (optimized for HIIT) |
| Battery Life | 5 days | 14 days | 10 days |
| MOQ | 1,000 units | 500 units | 800 units |
| Certification | FDA/CE/MDR | CE/FCC | CE/IP68 |
Note: All versions support ODM customization (materials/colors)
3. Case Study: Nordic Wellness Brand
Challenge:
Develop a menopause-tracking ring with:
• Continuous skin temperature monitoring (±0.2°C)
• 10+ day battery life
• MOQ <2,000 units
Our Solution:
• Customized MEMS thermopile sampling rate (reduced from 10Hz to 4Hz)
• Proprietary power-saving algorithm (extended battery life by 37%)
• Delivered first prototypes in 18 days
Results:
• 92% accuracy in predicting temperature shifts (vs. 84% baseline)
• Achieved CE certification 8 weeks faster than industry average
4. Why Engineers Choose Our ODM Platform?
✅ Pre-Validated Designs
• 50+ sensor combinations tested
• Plug-and-play firmware (BLE 5.2/5.3)
✅ Supply Chain Transparency
• 100% in-house SMT production
• 12-week lead time (30% faster than Shenzhen average)
✅ Regulatory Support
• Full documentation package for:
--FDA 510(k) (Class II)
--EU MDR
--South Korea MFDS
Technical Resources
• [Watch] Factory tour: *How We Make 200K Sensor Modules/Month*
• [Request] 2025 ODM Design Kit (Includes 3 sample rings)
Ready to build your signature smart ring?
📅 [Book a 30-min tech consultation]
📧 [Email OEM requirements]
