Best Continuous Heart Rate

Veepoo Smart Watch with Heart Rate Monitor Real-time,24x7 Sleep Monitor, Blood Oxygen Monitor, IP67 Waterproof, Fitness & Health Tracker Watch for Heart Monitor

  • Heart Rate :24hours real-time continuous heart rate monitor per munite to know your conditions.
  • Blood Oxygen: Automatically Measure the blood oxygen saturation from 0:am-7:0am,let you know the respiratiory rate.
  • Scientific Sleep: all-weather sleep tracking ,even in a naps over 30minute ,there will record your sleep quality like deep and ligh sleep time ,sleep duration..
  • HRV : tracking the heart change condition at night time and alert it for care.
  • Warranty: one year guarantee and online technical support always..
Check Stock

Fitbit Surge Fitness Superwatch, Black, Large (US Version)

  • GPS Tracking- See distance, pace and elevation climbed & review routes and split times.
  • Get continuous, automatic, wrist-based heart rate and simplified heart rate zones.
  • plus all day activities including steps, distance, calories burned, floors climbed and active minutes.
  • Monitor your sleep automatically and wake with a silent alarm.
  • See call and text notifications on the touchscreen display.
  • Sync stats wirelessly and automatically to your computer and over 150 leading smartphones.
  • Utilize the sizing tool in Product Details below to ensure proper fit.
Check Stock

Withings Pulse HR – Water Resistant Health & Fitness Tracker with Heart Rate and Sleep Monitor, Sport & Activity Tracking

  • Heart RATE & multisport - select from 30+ sports with continuous heart RATE, reporting on heart RATE zones, plus daily/overnight hr. tracking and automatic exercise recognition so you get credit for all your moves..
  • Connected GPS via smartphone - map and share your workout and exercise sessions with reporting on calories, distance, elevation & Pace..
  • Long-life battery - lasts up to 20 days Between charges So you can keep moving..
  • Water resistant to 50M - Enjoy automatic swim recognition and having no fear when you shower, go snorkeling or get caught in the rain..
  • Sleep tracking - wake to a Sleep Score based on light and deep sleep cycles, interruptions, and more, Plus enjoy a silent vibrating alarm with Smart wake-up..
  • Withings products on must be “ships from and sold by” or Withings to be eligible for /replacement by Withings..
Check Stock

Fitbit Blaze Smart Fitness Watch, Plum, Small (5.5 - 6.7 inch) (US Version)

  • See simplified heart rate zones for quickly checking exercise intensity during workouts with PurePulse(TM) continuous, wrist-based heart rate monitoring (no uncomfortable chest strap required).
  • Use multi-sport tracking to track runs, cardio, cross-training, biking and more. Effortlessly and automatically record other workouts to your dashboard with SmartTrack.
  • Enable connected GPS to map your routes and see run stats like pace and duration on display (when your phone is nearby).
Check Stock

Fitbit Blaze Smart Fitness Watch, Black, Silver, Small (5.5 - 6.7 inch) (US Version)

  • See simplified heart rate zones for quickly checking exercise intensity during workouts with PurePulse (continuous, wrist based heart rate monitoring (no uncomfortable chest strap required).
  • Use multi sport tracking to track runs, cardio, cross training, biking and more.
  • Effortlessly and automatically record other workouts to your dashboard with SmartTrack.
  • Enable connected GPS to map your routes and see run stats like pace and duration on display (when your phone is nearby).
Check Stock

Fitbit Charge HR Wristband, Black, Small (Renewed)

  • One syncs automatically and wirelessly to tablets, computers and 150+ leading iOS, Android and Windows smartphones using Bluetooth 4.0 wireless technology..
  • Syncing to computers requires Internet connection and USB port. Syncing to mobile devices requires Bluetooth and Internet connection. Syncing range: 20 feet.
  • Syncs with Windows Vista and later, Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, and leading Android and Windows devices.
  • We recommend charging your device every few days to ensure you are always tracking. Charge time: One to two hours.
  • Water Resistance: Charge HR is sweat, rain and splash proof. However, the device is not swim proof or showerproof. With any wearable device, it’s best for your skin if the band stays dry and clean. Battery life: lasts up to 5 days. Radio transceiver: Bluetooth 4.0.
  • Get continuous, automatic, wrist-based heart rate and simplified heart rate zones.
  • Track workouts, heart rate, distance, calories burned, floors climbed, active minutes and steps.
  • Monitor your sleep automatically and wake with a silent alarm.
  • See call notifications, daily stats and time of day on the OLED display.
  • Sync stats wirelessly and automatically to your computer and over 120 leading smartphones.
Check Stock

Vibeat OxyRing Oxygen Monitor - Continuous Oxygen Meter Finger Pulse Oximeter with Real-time Reminder & Free Report, Wearable Bluetooth Ring O2 Monitor, Recording Oxygen Level & Heart Rate

  • All Day Continuous Recording -- It can be used to do continuous tracking of blood oxygen level, heart rate and body motion for up to 12-16 hours after fully charged. The patented soft silicon ring sensor is light, convenient and portable for all day use. ( The perimeter of the OxyRing is 2.0"-3.2"/ 50-82mm.).
  • Real-time Reminder -- If the blood oxygen saturation level is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the device will vibrate, and the APP will beep to notify you. Easily adjust the alarm threshold and intensity on the APP..
  • Detailed APP Report -- Free APP provides graphic records for trends of oxygen level, heart rate and body motion. Unlimited sharing of PDF, CSV and Binary records, including O2 score, Max/Min/Avg O2 & PR. Integrate with Apple Health..
  • Easy To Use -- The OxyRing O2 meter runs automatically when you wear it, auto display off and easily check your blood oxygen readings again by raising your hand. The brightness of the screen can be adjusted through the APP..
Check Stock

Fitbit Charge 2 Activity Tracker + Heart Rate Small Purple ( Renewed)

  • PurePulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day.
  • Maximize your workouts using simplified heart rate zones (Fat Burn, Cardio and Peak).
  • See call, text & calendar notifications on the OLED display.
  • Automatically track how long and how well you sleep and wake with a silent vibrating alarm.
  • Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score.
  • Use Connected GPS during run mode to see real-time stats like pace and distance on your wrist.
Check Stock

BLU-FP.3050.20Q

  • 【High-Quality Smart Watch With CALL】suinsist AK26 Smart Watch featured the latest High accuracy Bluetooth sensor,it's compatible with Android....
  • 【10Kinds of Sports Mode Activity Tracker】suinsist AK26PRO smartwatch supports 7kinds of sports mode , such as outdoor run, outdoor walk,outdoor....
  • 【Message Reminder / App Notifications Push】When watch connected with your phone, messages and app push such as incoming call, SMS,facebook,....
  • 【Continuous Heart Rate Monitoring】suinsist AK26 smart watch features an improved heart rate sensor that's battery efficient. so you can measure....
  • 【Better After-sales Service】Our shop provides the best after-sales service. Please contact us if there is anything problems, we will be sure to....
Check Stock

HiFiT Heart Rate Monitor Chest Strap, Bluetooth 5.0 ANT+, IP67 Waterproof Heart Rate Sensor Belt, Real-Time Heart Rate Data and Running Dynamics, Perfect for Fitness, Running, Riding

  • 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..
  • CALORIES BURNED: Intelligent calorie feature based your personal data provides more accurate calories burned calculation to keep your fitness training simple..
  • WATERPROOF: 5ATM/50M/164FT water resistance can helps you do all kinds of indoor/outdoor sports or daily use freely, such as cycling, running, exercising, showering, washing and etc, but not diving..
  • EASY READ & EASY USE: A large and clear display with big numbers make you read easy. Includes full watch functions with Stopwatch. Comfortable fabric strap with transmitter and coded heart rate transmission to avoid cross-talk..
  • SIMPLE and GENEROUS: Built-in CR2032 button cell can be replaced when it runs out.No cell phone interference, make you focus and fully enjoy sports. The stylish stainless steel bezel, light weight and generous temperament, would be a great gift for your lover..
Check Stock