SHANREN Heart Rate Monitor Chest Strap, Dual Bluetooth ANT+,Beat 20 Rechargeable Heart Rate Monitor, Vibration Alert… Price: $79,99 (as of 22/01/2021 18:40 PST- Details) & FREE Shipping.

【Your Health & Fitness tracker】BEAT 20 records the dynamic heart rate, current heart rate zone and the real time ratio, pace, steps, calorie burned. All of those help you understand the effect of your training and help you to fine-tune your intensity in future workouts. SHANREN sport App provide top-quality and interference-free heart rate monitoring & analysis.
【Supreme Accuracy】Upgraded heart rate monitor BEAT 20, The ultra-precision sensor leads to more reliable data, based on the highest standard technology, displays the dynamic heart rate, real-time heart rate zones, heart rate rhythm display and recording, resting heart rate testing, 24-hour continuous heart rate monitoring, while maintaining maximum comfort as well as super high precision.
【Built-in Memory & Free App】 Automatically stores heart rate recording up to 100 training sessions. No mobile phone networking required to let you enjoy unbound training. You can start recording as soon as putting on the heart rate monitor.