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Fitness wristband, activity monitor, waterproof smart watch , sports watch, measures blood pressure, blood oxygen, ECG, heart rate, distance, etc. / compatible with popular smartphones: Amazon.de: Fashion
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Fitness Smartwatch with ECG PPG - Audar E1 - Blood Pressure Measurement Heart Rate Monitor Calorie & Pedometer Distance Measurement Sleep Monitor Notification Function IP67 Protection - Fitness: Amazon.de: Sports & Outdoors
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AWQREB Smart Bracelet ECG + SPO2 + HRV Blood Oxygen Bracelet Sleep Step Counting Bt Waterproof Smart Watch, GPS Fitness Tracker Fitness Watch : Amazon.de: Sports & Outdoors
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