Smart Watch for iOS and Android Phones IP68 Waterproof, ZHANGUO Fitness Tracker Watch with Heart Rate Monitor Sleep Tracker Steps Counter HD Screen 7+ Days Battery, Smartwatch for Men Women (Black)
$21.99Price: (as of – Details) 24/7 Heart Rate Monitor – Adopting advanced optical Bio-Tracking sensor, our smart watch will accurately monitor your real-time heart rate throughout the day. After binding to the app “VeryFitPro”, you can check the detailed heart rate changes graph including resting heart rate curve. Helping you understand your physical state whenever…