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Best Sleep Duration Monitor

Withings Scanwatch - Smart Watch & Activity Tracker: Waterproof with 30-Day Battery Life, Android & Apple Smart Phone Compatible with $30 Amazon.com Gift Card

  • ELECTROCARDIOGRAM* — The watch and heart rate monitor watch detects atrial fibrillation or normal heart rhythm in just 30 seconds via ECG..
  • SLEEP TRACKING — Sleep tracker delivers a Score based on light and deep sleep cycles, sleep duration & wake-ups..
  • HEART RATE TRACKING — Track heart rate continuously during workouts to optimize training, and monitor daily and overnight heart rate to help improve health over time..
  • Gift Card is affixed inside a mini envelope.
  • Gift Envelope opens up flat to display the gift card in the center.
  • Gift Card has no fees and no expiration date.
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IP68 Waterproof Fitness Tracker Blood Pressure Heat Rate Monitor Smart Watch Blood Oxygen Sleep Monitor Activity Tracker Pedometer Watch for Women Men

  • All-day Activity Tracking: Not only track your heart rate and sleep condition, the smart band will also track your daily activities like steps,....
  • Blood Pressure & Heart Rate: Bracelet uses high-performance CPU to monitor blood pressure & heart rate, let you understand your physical condition any....
  • Sleep Monitor & Text Call Reminder: After connect the app the tracker automatically tracks your sleep duration, sleep stages and analysis sleep....
  • Calrious Counter & Sedentary Reminder: Automatically record your everyday calrious consumption, help you adjust the diet. Setting a period of time on....
  • Long Life Battery & Gift: using time can be up to 5 days with full power. Bright color soft band and fashion color screen make it be good presents for....
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IP68 Fitness Tracker Blood Pressure Heat Rate Monitor Smart Watch Blood Oxygen Sleep Monitor Activity Tracker Pedometer Watch for Women Men Kids

  • All-day Activity Tracking: Not only track your heart rate and sleep condition, the smart band will also track your daily activities like steps,....
  • Blood Pressure & Heart Rate: Bracelet uses high-performance CPU to monitor blood pressure & heart rate, let you understand your physical condition any....
  • Sleep Monitor & Text Call Reminder: After connect the app the tracker automatically tracks your sleep duration, sleep stages and analysis sleep....
  • Calrious Counter & Sedentary Reminder: Automatically record your everyday calrious consumption, help you adjust the diet. Setting a period of time on....
  • Long Life Battery & Gift: using time can be up to 5 days with full power. Bright color soft band and fashion color screen make it be good presents for....
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Garmin Replacement Soft Strap for Heart Rate Monitor

  • ...ch for Women Men: If you want an all-in-one watch and don’t want to wear a bulky one, DoSmarter fitness watch could be the choice for you. It is designed to keep track of your health and exercise. It track your daily steps, calorie consumed, distance, monitor continuous heart rate and blood pressure, record the duration of exercising and sleeping. Easy to use, additional user guide helps you get fitness watch started quickly. It is made for everyone, suitable for different age users..
  • Tracks All of Your Daily Activity: With a DoSmarter fitness watch on your wrist, you can see calories burned, steps, distance walked, active minutes. It help you built a fitness goal to have a detailed of your health and fitness data. Keep you active and give you the motivation to get moving every day.10 sport options to customize how you track your fitness and provides a better training experience: real-time tracking of heart rate reduces the risk of exercise..
  • Protect & Monitor Your Health Always: Real-time monitors heart rate and blood pressure with full analysis in the APP. Give you a better idea of your overall health. Automatically recording your sleep and providing you with sleep duration, hours of deep sleep and light sleep, wake-up times. Help you to better....
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Withings Scanwatch Horizon - Hybrid Smartwatch & Activity Tracker with Connected GPS Heart Rate / Sleep Monitor Smart Notifications Water Resistant with 30-day Battery Life Android & iOS

  • ELECTROCARDIOGRAM* — The watch and heart rate monitor watch detects atrial fibrillation or normal heart rhythm in just 30 seconds via ECG..
  • SLEEP TRACKING — Sleep tracker delivers a Score based on light and deep sleep cycles, sleep duration & wake-ups..
  • HEART RATE TRACKING — Track heart rate continuously during workouts to optimize training, and monitor daily and overnight heart rate to help improve health over time..
  • WRIST-BASED OXIMETRY — Provides on demand oxygen saturation level (SpO2) in just 30 seconds.
  • WATERPROOF watch - waterproof watch for swimming. Water resistance up to 50m..
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ANCwear Fitness Tracker Watch, F07 Activity Tracker Health Smart Watch with Heart Rate Monitor, IP68 Waterproof, Smart Band with Sleep Monitor, Step Counter, Pedometer Watch for Women Men Kids

  • All-Day Activity Tracking Watch Record all-day activities like calories burned, steps, distance, active minutes, and sleep quality, you can get the complete data in the APP..
  • Sleep Monitor & Heart Rate monitor Watch Tracks real-time heart rate and sleep duration automatically & continuously. with a comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle..
  • Multiple Function Fitness Watch Meet Your daily request tracker watch: Heart rate monitor Blood pressure/Oxygen monitor, Sleep monitor, Step counter, Calorie counter, phone call reminder, SMS messager notification, Sedentary reminder, stopwatch, Alarm, Remote Camera Control, etc..
  • Call & Messages ReminderThe fitness watch will vibrate your hand when you receive a call or SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter..) notifications on display. Stay focused and efficient work but you never miss important information. This fitness tracker is compatible with Android 4.4 & IOS 8.0 and above..
  • USB Directly Charging and Longer Battery LifeThis fit watch is wireless USB charging. Take off the band then you can put the USB side into a normal USB port. Full charge requires only about 1-2Hours and using time can be 5-10days. Suits for wrist size of ....
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Pard Delicate Women Smart Watch, Heart Rate Blood Pressure Fitness Tracker for Ladies, Gold

  • Monitor your health, accurate heart rate, blood pressure monitor, sleep monitoring to monitor your all night sleep quality and transfer all detailed data (deep /light / wake sleep hours) to APP for analyzing..
  • Multi Exercise Modes, this watch includes 8 sport modes, you can use it to track real time "time duration, steps, calories, heart rate" when chose secific activity as running, swimming, riding, climing, basketball, football, walking, batminton..
  • All day activity tracker, to auto sense your movement, and record steps, calories, distance whole day, the fitness goal, sedeantary remind, alarm clock can be set to help you adjust your sport and life rhythm better..
  • Vibration remind can be set on the APP to get call reminding, message notification from Facebook, Skype, Twitter etc on device of the wrist, and the sender / contents will be displayed when you receiving the notification..
  • Compatible well with Android 4.4 and above, IOS 8.0 and above. pairing with phone, auto sync phone's time an date, control your phone camera, sync all tracked data to APP. IP67 waterproof, 2 hours for fully charge, use time 5-7 days. We provide a 12-month warranty from the date of purchase. To contacted our customer service, you can get more detailed manual..
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GRV Smart Watch Compatible with iPhone and Android Phones IP68 Waterproof, Round Watch for Men Women Smartwatch Fitness Tracker Heart Rate Monitor Digital Watch with Personalized Watch Faces

  • ...ight, weight, gender and fitness goals to Personal Profile, to calculate Activity and Health data on a daily, weekly and monthly basis. Configure other alarms and notifications sent to the watch. App supports 16 languages.Note: This device is for outdoor use only and not a medical device..
  • 【Sleep Monitor】: sleep duration automatically & continuously. with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle. DIVINE fitness tracker automatically tracks your sleep and analyze your sleep quality with light sleep, deep sleep and awake time. The humanized silent vibration alarm can wake you up without disturbing others..
  • 【See Calls & Messages on Your Wristwatch】: Receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display.
  • never miss the messages that matter.Compatible with Android and IOS phones with Bluetooth.
  • not compatible with tablets or PCs. Battery takes 2 hours to charge and last from 7 days when active, up to 30 days when idle. Charge in any USB port by removing the top of the wristband. MEDIUM SIZE, fits wrists 5 to 8 inches..
  • 【Multi-function Waterproof Fitness Trackers】: Science and technology create a convenient life. OLED color touc....
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Withings ScanWatch - Hybrid Smartwatch with ECG, Heart Rate Sensor and Oximeter (Black, 38mm)

  • ELECTROCARDIOGRAM* — The watch and heart rate monitor watch detects atrial fibrillation or normal heart rhythm in just 30 seconds via ECG..
  • SLEEP TRACKING — Sleep tracker delivers a Score based on light and deep sleep cycles, sleep duration & wake-ups..
  • HEART RATE TRACKING — Track heart rate continuously during workouts to optimize training, and monitor daily and overnight heart rate to help improve health over time..
  • WRIST-BASED OXIMETRY — Provides on demand oxygen saturation level (SpO2) in just 30 seconds.
  • WATERPROOF watch - waterproof watch for swimming. Water resistance up to 50m..
  • 24/7 ACTIVITY TRACKING — Dedicated workout metrics, Fitness Level via VO₂max estimation, connected GPS, elevation and step tracker. Great as a running watch..
  • DURABLE DESIGN — Combined heart rate and SpO2 sensor, 3 electrodes, an altimeter, a sapphire glass and a PMOLED screen featuring a rechargeable battery that lasts up to 30 days..
  • "30 DAY RECHARGEABLE BATTERY LIFE - Up to 30 days with normal use. +20 additional days in power reserve mode (time and activity tracking only). Charging Cable incl.".
  • HIGHLY COMPATIBLE - Smart watch with text and call. Connects effortlessly with Android &Apple iOS smartphones via free Healthmate App..
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Kummel Fitness Tracker with Heart Rate Monitor, Waterproof Activity Tracker with Pedometer & Sleep Monitor, Calories, Step Tracking for Women Men Black

  • : The fitness tracker can track your daily activities, like steps,calories, distance and duration. you can add few more activity mode from Veryfitpro App as per your need. like Walk, Run, Bike, Treadmill, Workout, Dancing, Badminton, Tennis and Yoga so on..
  • : The smart fitness tracker have step counter, sleep monitor, heart rate monitor ,call and message alert , alarm clock, sendentary reminder, remote camera and find your phones so on. And with the OLED touch screen, you can view clearly in sunlight..
  • : The smart watch can monitor your heart rate throughout the day. It can also monitor your sleep at night, it is a smart health monitoring partner..
  • : You can get calls, SMS messages, and SNS notifications directly on your wrist including Facebook, Twitter, WhatsApp, Instagram and Gmail. You won't missing any important calls and message, and keeps you online..
  • : This smartwatch has a bulit in USB plug, 1-2 hours full charge gives you up to 7-day working time. it require smartphones with Android 4.4 and iOS 7.1 above ,smartphones only. (Please note: For correct charging, please insert the metal end into the USB port.).
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DoSmarter Fitness Watch, 1.3” Touch Screen Smartwatch with Heart Rate Blood Pressure Monitor, Waterproof Fitness Tracker with 10 Sport Modes, Step Calories Counter, and Sleep Tracking for Women Men

  • ...ch for Women Men: If you want an all-in-one watch and don’t want to wear a bulky one, DoSmarter fitness watch could be the choice for you. It is designed to keep track of your health and exercise. It track your daily steps, calorie consumed, distance, monitor continuous heart rate and blood pressure, record the duration of exercising and sleeping. Easy to use, additional user guide helps you get fitness watch started quickly. It is made for everyone, suitable for different age users..
  • Tracks All of Your Daily Activity: With a DoSmarter fitness watch on your wrist, you can see calories burned, steps, distance walked, active minutes. It help you built a fitness goal to have a detailed of your health and fitness data. Keep you active and give you the motivation to get moving every day.10 sport options to customize how you track your fitness and provides a better training experience: real-time tracking of heart rate reduces the risk of exercise..
  • Protect & Monitor Your Health Always: Real-time monitors heart rate and blood pressure with full analysis in the APP. Give you a better idea of your overall health. Automatically recording your sleep and providing you with sleep duration, hours of deep sleep and light sleep, wake-up times. Help you to better....
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Smart Watch, Fitness Tracker Watches for Men Women, IP68 Waterproof HD Touch Screen Smartwatch for Android/iOS Phones, 24 Sports, Activity Tracker with Sleep/Heart Rate Monitor, Pedometer, Stopwatch

  • ⌚【Heart rate measurement and sleep monitoring】The fitness tracker has heart rate measurement,blood pressure monitor and Blood oxygen monitor that monitors and records heart rate data so that you can better understand your health. Not for medical purposes. Sleep monitoring can monitor the duration of daily deep sleep, light sleep, and waking sleep. You can view the line graph of heart rate change and sleep change for a week in the app to adjust your work and rest..
  • ⌚【24 Hours Activity Trackers】Our smart watches track your daily activities including steps, distance and calories burned at any time. You could know your activity status well. Besides, our smart watches provide multiple sports modes: Running, Walking, Cycling, Climbing and so on, which keeps your training more scientifically..
  • ⌚【Notifications and SMS】 Call alert function, SMS and SNS messages, Facebook, WhatsApp, Twitter, Instagram, etc. When you receive a notification, the watch will vibrate to remind you. Just connect the bracelet to your phone via APP and set it in APP. No call or message is missed..
  • ⌚【Compatibility & Battery Life】Our smart watch Compatible with iOS 9 or higher & Android OS 4.4 above. A 2-hour charge will give you 10 days of regular use and 35 days o....
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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..
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