Reviews Heart Rate Variability Tracker

Fitbit Luxe Fitness and Wellness Tracker with Stress Management, Sleep Tracking and 24/7 Heart Rate, One Size S L Bands Included, Lunar White/Soft Gold Stainless Steel, 1 Count

  • See how jewelry gets smart with a tracker that doubles as a timeless accessory and features a vibrant color display.
  • Get better sleep to power your days with sleep tracking and sleep Score in the Fitbit app.
  • Feel a Buzz when you reach your target heart rate zones, while you earn active zone minutes.
  • 6-month trial of Fitbit Premium (New and returning Premium members only. Must activate trial within 60-days of device activation. Requires valid payment method. Cancel before end of trial to avoid recurring fees. Content and features may change. Terms & Conditions apply).
  • Maximize your exercise, understand resting heart rate trends and better estimate calorie burn with 24/7 Heart rate tracking.
  • Tune in to your body with health metrics like breathing rate, heart rate variability and more (in-app only)​.
  • Enjoy up to 5 days of battery without having to stop for a charge (varies with use and other factors).
  • Connect Luxe to your phone’s GPS & see real-time pace and distance on your wrist.
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Fitbit Charge 5 Advanced Fitness & Health Tracker with Built-in GPS, Stress Management Tools, Sleep Tracking, 24/7 Heart Rate and More, Lunar White/Soft Gold, One Size (S &L Bands Included)

  • See how jewelry gets smart with a tracker that doubles as a timeless accessory and features a vibrant color display.
  • Get better sleep to power your days with sleep tracking and sleep Score in the Fitbit app.
  • Feel a Buzz when you reach your target heart rate zones, while you earn active zone minutes.
  • 6-month trial of Fitbit Premium (New and returning Premium members only. Must activate trial within 60-days of device activation. Requires valid payment method. Cancel before end of trial to avoid recurring fees. Content and features may change. Terms & Conditions apply).
  • Maximize your exercise, understand resting heart rate trends and better estimate calorie burn with 24/7 Heart rate tracking.
  • Tune in to your body with health metrics like breathing rate, heart rate variability and more (in-app only)​.
  • Enjoy up to 5 days of battery without having to stop for a charge (varies with use and other factors).
  • Connect Luxe to your phone’s GPS & see real-time pace and distance on your wrist.
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Fitbit Charge 5 Advanced Fitness & Health Tracker (Black) with Built-in GPS, Stress Management Tools, Bundle with 2 Watch Bands, 3.3foot Charge Cable, Wall Adapter, Screen Shield & PremGear

  • ...ors & PremGear Quality Cleaning Cloth.
  • REDEFINE YOU ROUTINE – Optimize your activity and routine with Daily Readiness, a personalized score available with your included 6-month Premium membership. Daily Readiness uses insights from your exercise, sleep and Heart Rate Variability (HRV) and lets you know of you’re ready for a workout or need to prioritize recovery (requires Premium subscription.
  • FIND YOUR CALM – Understand how your body reacts to stress with a daily Stress Management Score and measure your body’s in-the-moment physical response with an on-wrist EDA Scan app. Plus, find your calm with expanded mindfulness tools and a detailed breakdown of your Stress management Score (included with your 6-month membership.
  • TRACK TRENDS IN YOUR WELLNESS – See important changes in your wellness with health metrics such as SpO2 the level of oxygen in your blood heart rate variability, breathing rate…+ See your personal range and trends for each metric from the past month.
  • LEVEL UP YOUR HEALTH & FITNESS – Transform your insights into impact with your included 6-month....
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Yowow BIT Fitness Activity Monitor for Women Men,Health Tracker Watch with Heart Rate,Blood Oxygen,Blood Pressure,Blood Sugar, Sleep Tracking,Body Temperature,HRV,Heart Health Analysis

  • ... and can automatically detect the blood oxygen situation when you sleep at night, record the number of apnea, you can set the low oxygen wake-up in the APP, when the watch detects your blood oxygen is too low and harmful to health, it will vibrate to remind..
  • 【Heart Rate Variability Analysis】A real smart health watch must be able to help you better understand your heart health. This sleep monitoring watch can automatically record your heart rate variability when you sleep at night, the results are recorded in the APP in the form of Lorenz scatter. Turn on the all-day sleep detection in the settings of the watch before going to bed, and then wear the watch to sleep, you will get the analysis results the next day on APP.
  • 【A good assistant in life】This fitness and activity tracker watch can not only help you record your health data, but also a good assistant in your life. It has many functions, such as timer, alarm clock, weather synchronization, information reminder, pedometer and so on. Normally, when you turn on the all-day health check, the battery life of the watch is 1-3 days, and when you turn off the all-day health check, the battery life of the watch ....
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Garmin 010-N1995-00 Refurbished vivosmart 4 Activity Tracker, Small/Medium, Black/Slate

  • Stylish, smart design - This slim wristband tracker, available in multiple colors, complements your style with its distinctive design, metal trim accents and bright, easy-to-read display.
  • Pulse Ox at your wrist - the Pulse Ox sensor on vívosmart 4 estimates your body’s blood oxygen saturation level..
  • Advanced sleep monitoring - to give you an idea of how you’re sleeping, vívosmart 4 tracks your light, deep and REM stages of sleep, along with movement throughout the night..
  • Optimize your body’s energy - body battery energy monitoring on vívosmart 4 uses a combination of stress, heart rate Variability (HRV), sleep and activity data to gauge your body’s energy reserves at any moment..
  • All-day stress tracking - you most likely experience stress at some point in your day, but how much? Your vívosmart 4 lets you know when you are having a calm, balanced or stressful day and everything in between..
  • Included components: vívosmart 4 smart activity tracker, charging/data cable, manuals.
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Smart Watches Ip67 Waterproof Bluetooth Smartwatch for Android Phones,Sport Fitness Watch with Blood Pressure Oxygen Heart Rate Monitor Activity Tracker Compatiable for Android iOS Women Pink

  • 【Blood Pressure Blood Oxygen/Heart Rate/Sleep Monitor】- The smart watch for android phones use intelligent algorithm to monitor heart rate, blood pressure, blood oxygen, wrist optical sensor captures heart rate variability, monitors blood pressure, blood oxygen status, observes pressure trends, and cares for your physical and mental health. The sleep monitor will track the hours of your deep sleep and light sleep at night, you can better know your sleeping quality on smart watch and App.
  • 【Multi-Function smart watch】This is a powerful fitness tracker for women men. The fitness watch can track your daily steps, distance traveled and calories burned,and weather all day automatically. Also, smart watch support heart rate monitor,sleep monitor, blood pressure monitor, sedentary remind, message reminder remote camera control, alarm clock, music control,SpO2 test, stopwatch and so on. Nice present for Birthday Holiday business Thanksgiving Festival Season..
  • 【Message Smart Reminder】:By connecting android smartwatch with your smartphone,your information can be displayed on the smart watch synchronously, such as incoming call, SMS, Facebook, Twitter, WhatsApp, LinkedIn, Instagram,Line,Skype,Gmail,etc.No matter where you are, you can easily view ....
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Garmin HRM-Tri Heart Rate Monitor

  • COMPACT AND COMFORTABLE – HRM-Tri is the smallest and lightest heart rate monitor from Garmin. Designed with rounded edges and no exposed seams, the strap remains comfortable during extended hours of training..
  • SWIM HEART RATE1 – Stores up to 20 hours of heart rate data during swims, then forwards it to a compatible device at the end of the session. It also sends real-time heart rate to the watch when the monitor is out of the water.
  • RUNNING DYNAMICS2 – Provides feedback on running form by measuring cadence, vertical oscillation and ground contact time when paired with a compatible device.
  • BATTERY LIFE – Lasts for 10 months (assuming 1 hour/day use) with user-replaceable CR2032 battery..
  • Includes – HRM-Tri, manuals. Supports heart rate variability and advanced heart rate features.
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Scosche Rhythm 24 Heart Rate Monitor Black

  • HYPER-ACCURATE - Patented optical sensor technology for highly accurate monitoring and measurement. Green + Yellow Optical Sensors Provide superior measurement with all skin tones..
  • WORKS WITH VIRTUALLY ANY DEVICE - Great for use with smartphones, tablets, smart and sport watches, exercise equipment and many other devices that support Bluetooth Smart or ANT+ heart rate data..
  • 24 HOUR BATTERY LIFE - Extended use rechargeable battery allows you to workout for up to 24 continuous hours..
  • CUSTOMIZABLE - Change HR zones and modes in the RhythmSync app. Modes include Heart Rate Only, Running (Cadence + Distance), Cycling (Cadence), Swimming, Heart Rate Variability (HRV)..
  • INTERCONNECTED ARMBAND DESIGN - The Rhythm24 has an updated quick-lock interconnected armband design to keep the Rhythm24 securely attached to your arm during intense workouts..
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Garmin 010-13118-00 HRM-Pro Plus, Premium Chest Strap Heart Rate Monitor, Captures Running Dynamics, Transmits via ANT+ and BLE

  • Premium heart rate strap transmits accurate real-time heart rate and heart rate variability data via ANT plus technology and BLUETOOTH Low Energy technology to Garmin devices, compatible fitness equipment, the Tacx Training app and other apps.
  • Captures running dynamics, such as vertical oscillation, ground contact time, stride length, vertical ratio and more to help improve your form and enable running power on your compatible Garmin watch.
  • Computes pace and distance for treadmill or indoor track workouts.
  • Stores heart rate data during swimming or other activities out of range of your watch then automatically sends the data to your compatible Garmin watch when the activity is finished.
  • Includes activity tracking to store steps, calories, intensity minutes and all-day heart rate then updates all Garmin devices via the Garmin Connect app and the TrueUp feature.
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Fitness Tracker Watch for Kids IP68 Waterproof Activity Tracker Heart Rate Sleep Monitor 11 Sport Modes Calorie Step Counter with Alarm Clock and Reminder Great Gift for Boys Girls Teens Purple

  • 【Make Fitness Fun and Build Healthy Habits】Multifunctional fitness tracker smart watch with the function of Pedometer, Stopwatch, Heart rate....
  • 【Kid-friendly Fitness Tracker】This is a fitness tracker specially designed for children. comfortable durable silicone band and secureadjustable....
  • 【Automatic heart rate & sleep monitor】The kids fitness tracker can automatically monitor your kids daily real-time heart rate and track how well....
  • 【Easy To Charge & Long Battery Life】You can charge the fitness tracker with any USB adapter without any extra charger cable. The fitness tracker....
  • 【Easy To Use & Wide Compatibility】The fitness watch support and compatible with most Android 4.4 above, IOS 8.0 or higher smart phones, 2 kinds of....
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ENGERWALL Fitness Tracker with Heart Rate & Temperature Monitor, Waterproof Activity Tracker with Pedometer & Sleep Monitor, Calories, 16 Sport Modes, Smart Watch Pedometer Watch for Men Women Kids

  • 【All-day Activity Tracker】: ENGERWALL Waterproof fitness tracker S5-3 can automatically record and track your daily steps, calories burned, exercise distance and time. It can also monitor your Body Temp, pulse, blood oxygen and blood pressure throughout the day. You can set various SMART Notification and check detailed data in the App "Runmefit"..
  • 【Heart Rate Monitor & Sleep Tracker】: Automatically & continuously monitoring and tracking your heart rate and sleep duration(Sleep Time, Wake Time, Wide Awake, Light Sleep, Deep Sleep, Minimum Heart Rate, Maximum Heart Rate, Average Heart Rate), so you can better understand your physical condition and help you with a healthy lifestyle..
  • 【16 Sports Modes & Connected GPS】: This fitness tracker provides 16 professional training modes. With connected GPS, you can see your real-time running stats on your wrist and a map of your post-workout route..
  • 【Call & Message Alert】: You can view calls and messages on your smartwatch, when your smartphone receives a phone call, an SMS and messages (Facebook, Twitter, Instagram, Messenger, etc.), never mis....
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FAMCICLOVIR

  • ...gle charge, it has enough power to get you charged for 2 whole weeks mind-free..
  • BLOOD OXYGEN SATURATION MONITOR: You can measure your blood oxygen saturation and understand your physical state with OxygenBeatsTM. Ideal for high-intensity workouts and sports such as marathons and gym workouts..
  • 24/7 HEART RATE, SLEEP TRACKER: With Huami-proprietary BioTracker TM2 PPG optical sensor, this health tracker performs 24/7 real-time heart rate monitoring and high heart rate warning. Band 5 can also professionally interpret the sleep characteristics at each stage and analyzes sleep quality, to help you adjust your sleep habits. It even monitors your 20-minute daily nap..
  • YOUR SMART FITNESS PARTNER: An ultimate easy-to-use activity fitness tracker with 11 built-in sports modes, enabling you to record the distance, speed, heart rate changes, calories burned, and other data during your workouts. With a water-resistance grade of 5 ATM, Band 5 can withstand all your daily activities and you can wear it while swimming..
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Halo: Outcasts

  • ...gle charge, it has enough power to get you charged for 2 whole weeks mind-free..
  • BLOOD OXYGEN SATURATION MONITOR: You can measure your blood oxygen saturation and understand your physical state with OxygenBeatsTM. Ideal for high-intensity workouts and sports such as marathons and gym workouts..
  • 24/7 HEART RATE, SLEEP TRACKER: With Huami-proprietary BioTracker TM2 PPG optical sensor, this health tracker performs 24/7 real-time heart rate monitoring and high heart rate warning. Band 5 can also professionally interpret the sleep characteristics at each stage and analyzes sleep quality, to help you adjust your sleep habits. It even monitors your 20-minute daily nap..
  • YOUR SMART FITNESS PARTNER: An ultimate easy-to-use activity fitness tracker with 11 built-in sports modes, enabling you to record the distance, speed, heart rate changes, calories burned, and other data during your workouts. With a water-resistance grade of 5 ATM, Band 5 can withstand all your daily activities and you can wear it while swimming..
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