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HOLFENRY Professional Fingertip Pulse Oximeter - Accurate SpO₂ & Heart Rate Monitor
🔍 Key Features
✅ Medical-Grade Accuracy
Measures blood oxygen (SpO₂) with ±2% margin of error
Tracks heart rate (BPM) & perfusion index (PI)
Low O₂ alarm (flashing LED if SpO₂ <93%)
✅ Instant Results in 10 Seconds
No setup needed—just clip on your finger
Large LED display (shows SpO₂, pulse, PI)
Works best at rest (avoid movement during use)
✅ Essential for Health Monitoring
Ideal for elderly, athletes, travelers & COVID recovery
Helps track respiratory health during flu/cold season
Useful for high-altitude hiking, gym workouts & aviation
✅ Compact & Portable
Weighs only 75g (lighter than an egg!)
Fits in pockets—perfect for home, travel & emergencies
2 AAA batteries included (non-rechargeable)
📊 Technical Specs
SpO₂ Range: 70-99%
Pulse Range: 30-250 BPM
Display: Dual-color LED (red for alerts)
Battery Life: 30+ hours
Certifications: CE, FDA-cleared (FDA listing #K203010)
⚠️ Important Notes
For adults only (not for children under 12)
Do not use while moving—sit still for accurate readings
Consult a doctor if SpO₂ consistently <90%