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IDEALROYAL Smart Watch, Fitness Tracker with Heart Rate Monitor, Sleep Monitor,1.4" Touch Screen,Waterproof Smartwatch Bluetooth Camera Control Fitness Watch for Man Woman Android iOS : Amazon.co.uk: Electronics & Photo
VitalTracer - Vital Sign Monitoring Devices - For Researchers and Home Care Monitoring
H.TANG Smart Watch Fitness Tracker with Heart Rate Monitor Fit Bitwatches Ladies Sports Watch Elegant Lets Fit Smartwatch for Men Women for Android iOS: Amazon.co.uk: Sports & Outdoors
Smart Watch with real ECG monitoring vital signs – SigmaWatts