L8star Fitness Tracker, Continuous Heart Rate Monitor IP67 Waterproof Smart Activity Tracker with 6 Sports Mode,Sleep Monitor,Pedometer Smart Wrist Band for Women Men

About this product

*❤️【Heart Rate & Sleep Monitor】：Measuring your heart rate on every 1 / 2/ 6 /12 hour automatically once you set up it in the app. You can also set up real-time heart rate tracking or manually tracking. Or you switch watch to heart rate interface, it will also automatically monitor your heart rate within 30 seconds (Measurement results are for reference only, not for medical use).