Heart rate monitor with chest strap in comparison

【Accurate Fitness Tracker】: The micro voltage signal generated by the heart beating is amplified and processed directly to get the heart rate value instead of monitoring the blood flow through optical sensors and then converting it with software, which leads to the problem that the accuracy is affected by light and skin.

What You Get - A 12-month membership, WHOOP 5.0 device, a SuperKnit band, and a waterproof* Wireless PowerPack. Choose from a range of band and accessory combinations, and add a waterproof Wireless PowerPack for on-the-go charging. Screenless, Distraction-Free - No screen, no buzzing notifications.

Record and store ECG signals, and display heart rate for home health care use.

CHIEALF heart rate monitor chest strap uses high-precision ECG sensor, real-time monitoring of heart rate changes, making your exercise more scientific and effective. Heart rate monitoring range 30 bpm~240 bpm, heart rate monitoring accuracy +/-1 bpm.

【1.85-Inch HD Touch Screen 】 This smart watch features a 1.85-inch high-definition full touch screen with 320×386 resolution, clear enough to read in direct sunlight outdoors. Users can choose from over 200 watch faces within the GloryFit app or upload a personal photo to create a custom face.

HEART MONITORING ON THE GO: Capture unlimited medical-grade ECGs in 30 seconds and get an instant analysis right on your smartphone.

HEART RATE MONITOR: Continuous, accurate real-time heart rate provides clear workout guidance, and use manual heart rate target zones with audio and visual target zone alarm to find the right exercise intensity for your goals

【AFE chip support, more accurate monitoring results】: Using the latest and most powerful AFE chip, supported by ECG monitoring, to generate the latest generation of heart rate algorithm with an accuracy rate of up to 98.3%. 【Lighter, thinner, better experience】: The size of HR50 is 64*34*10.1mm, which is narrower, thinner and lighter than the previous generation of products.

【Bluetooth Calling & Built-in Alexa】With the built-in microphone and Hi-Fi speaker, the smart watches for men /women can make/answer calls directly. The smart watch syncs SMS and messages from apps (WhatsApp, Facebook, etc.), so you won't miss any important information, whether you're exercising or driving. With Alexa built-in, you can do almost anything with your voice. Whether you want to play your favourite music, check the weather or set an alarm, Alexa is up to the challenge and leaves your hands free.

COMPATIBILITY: Compatible with popular fitness apps: Zwift, Strava (premium), Polar, Wahoo, Peloton, Rouvy, Decathlon and many more...

[High Performance of Real-time Heart Rate Tracking] H603 directly extract heart rate data with the self-research algorithm, eliminate noise interference caused by movement and sweating, output the most accurate heart rate data.

Heart Tracking for Wellness Insights: Combines continuous optical tracking with on-demand recordings to provide deeper insight into heart rhythm patterns and overall wellness trends; Designed for personal awareness and lifestyle tracking; Not for medical us; 24/7 Wellness Tracking: Sync with the G BAND App to observe trends in metabolic wellness insights, body metrics, stress levels and sleep patterns; Gain round-the-clock insights to help optimise your fitness, recovery, and overall wellness; SOS & Fall Detection with Family Sharing: Includes manual SOS alerts and motion-based safety alerts that can notify preset emergency contacts; Family Sharing allows loved ones to stay connected and view selected activity and wellness updates for added peace of mind; Aluminium Screen-Free Band: Featuring an anodised aerospace-grade aluminium casing that is durable, scratch-resistant, and rated IP68 for water resistance – perfectly balancing practicality and aesthetic appeal; Compatible with iOS 13.0+ and Android 8.0+; 15 days of battery; 188 Sport Modes & Smart Notifications: Track a wide range of activities including running, cycling, swimming, yoga, and more; Smart vibration alerts support sedentary reminders, alarms, message notifications, and general wellness alerts such as unusual heart rate trends; Safety Instructions: This device is intended for general wellness and fitness purposes only; It is not a medical device and is not intended for diagnosis, treatment, or prevention of any disease; Avoid use in high-temperature or high-pressure environments such as saunas, hot baths, or diving