10 Best Fitness Heart Rate Monitor of December 2025

• WORKS WITH EVERYTHING: Polar HRM works with many sports and smart watches (Polar, Garmin, Apple, Suunto, etc.), Polar Beat, fitness apps such as Strava and Nike, and ALL HRM compatible Cardio Equipment
• SUPREME ACCURACY: Widely recognized for its top precision by many sources, Polar H10 is the most accurate heart rate sensor in Polar’s history. Polar H10 provides top quality ECG measurement and it's the choice of many pro athletes.
• CONNECTIVITY: Bluetooth, ANT+ and 5 kHz provide an excellent variety of connection options (e.g. with Peloton). You can use Bluetooth and ANT+ connections simultaneously as well as two Bluetooth connections simultaneously.
• POLAR PRO CHEST STRAP: With improved electrodes, an easy-to-use buckle and silicone dots, the strap is comfortable and interference-free, and stays put when you're on the move.
• VERSATILITY: Wear Polar HR monitor when rowing, cycling, running, training indoors or swimming. Polar H10 is fully waterproof and it has internal memory for one training session.
• SOFTWARE UPDATES: Via Polar Beat app to keep your HRM up-to-date; Materials: Strap: 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% Polyester, Silicone prints.
• Operating temperature : -10 °C to +50 °C / 14 °F to 122 °F. Compatibility-iOS mobile devices: iPhone 5 and later, with iOS 11 or later; Android mobile devices with Bluetooth 4.0 capability and Android 5.0 or later

POLAR

• HEART RATE MONITOR: Provides live, accurate heart rate to compatible mobile training apps through Bluetooth Smart technology
• FITNESS TRACKER: Waterproof heart rate sensor compatible with all Apple iPhone, iPads, and Android Devices
• STRONG BATTERY LIFE: For optimal battery life, detach transmitter from chest strap after every use
• ADVANCED TECHNOLOGY: Gym Link connects Polar heart rate monitors and activity trackers with compatible gym equipment
• CALORIE COUNTER CAPABILITIES: For those who want to count the calories they burn and get basic heart rate-based features to keep their fitness training simple

POLAR

• Large Stylish Dial Display: 1. 3-inch TFT-LCD color touch screen features 4 customized displays, making it easier and quicker to view time and date, steps travelled and calories burned, message notifications can also be displayed straight on device screen
• Heart rate monitoring & sleep tracking: The smartwatch can automatically monitor your daily real-time heart rate, and track your sleep quality status to get a better understanding of your health
• All-day Fitness Tracking: Accurately records your activity data such as steps, distance, calories burned and weekly/monthly data, you can see your targets at a glance allowing you to control your rhythm of exercise, making your exercise more effective
• More smart functions: music control, incoming call notifications with the option to long press to hang up, up to 10 alarm clocks, timer functionality, breathing guides, sedentary alerts, wrist sensor, all this plus the option to sync your data with Starve
• Great battery life: This fitness tracker watch built with a 210mAh battery that only takes 2. 5 hours to charge and can be used for up to 10 days with a standby time of 30-45 days. You can adjust the screen brightness according to your needs

LETSCOM

• Next Generation HRM from CooSpo - Sleek appearance, Light Weight and easy to use. Has LED, light, and voice notification for device status
• Improved Accuracy and Transmission – Improved sample rate for BPM monitoring accuracy and improved wireless circuit for better real time monitoring transmission
• ANT+ Bluetooth Technology - Supports both ANT+ and Bluetooth, connect to your favorite smart phone, cycling or activity computer, tablet and laptops. Also compatible with intelligent exercise devices like Pelaton and other bluetooth hardware
• App Compatible – Compatible with all your popular activity tracking apps like Wahoo, , Zwift, Endomondo, IpBike, Nike+ Running, elite hrv app, FITIV Pulse, Heart Zones, iCardio Samsung Health and others
• 100% SATISFACTION GUARANTEE: Every purchase comes with one year HASSLE-FREE WARRANTY and superior after-sales customer service provided by CooSpo.

CooSpo

• Heart Rate Training - Coospo heart rate monitor helps you track and capture real time heart rate, training zones and calories burned on your smartphone or tablet with compatible training apps.
• ANT+ Bluetooth Connectivity - The device is integrated with Buletooth 4.0 and ANT+ allowing you to pair it with smartphones, tablets, GPS watches and bike computers.
• App Compatible - Works with main stream apps like Wahoo Fitness, Zwift, Runtastic, Runkeeper, Endomondo, Peloton, Map My Run, Komoot and Nike Run Club, DDP Yoga, Elite hrv app and others.
• Comfortable to Wear - With an adjustable chest strap, the length of the belt can be adjustable from 25.6" to 37.4"
• Every purchase comes with a TWO-YEAR HASSLE-FREE WARRANTY and superior after-sales customer service provided by CooSpo. For more info, please visit: https://youtu.be/6JBHwHveelg

CooSpo

• Utilize 24/7 heart rate to accurately track calorie burn, resting heart rate & heart rate zones during workouts
• Track all day activity, including steps, distance, hourly activity, active minutes and calories burned. The Fitbit inspire band is made of a flexible, durable elastomer material similar to that used in many sport watches, and fastens with a peg and loop
• Automatically track sleep plus due to the heart rate feature and get more insights into your light & deep sleep stages
• Enjoy up to 5 days of battery for daily progress without constant charging. Varies with use and other factors. Charge time (0 100 percent): 2 hours
• Automatically and conveniently record workouts like walks, swimming & bike rides in a snap with smart track. Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times
• Radio transceiver: Bluetooth 4.0. Fitbit inspire and inspire HR. Are water resistant to 50 meters. We do not recommend wearing inspire or inspire hr. In a hot tub or sauna. Operating temperature: 14 degree to 113 degree Fahrenheit. Maximum operating altitude: 28,000 feet

Fitbit

• [ Not just about Your Fitness, Also about You ] Just imagine the Fitness wristband as an electronic finger on the pulse, constantly measuring your vitals, heart pressure, heart rate, quality of sleep, step count and more. And also serves as your personal heath secretary to help you get rid of bad habits for reminding you to move or drink water after a long - time working or gaming. Stay active throughout the day.
• [ Monitor Your Blood Pressure & Your Personal Gym Coach ] Measure blood pressure all the time by adopting the innovative Matter Sensing & Control Technology. Tracks up to 14 exercises like running, riding, basketball, tennis, yoga and dance. Our IP68 Waterproof Fitness Tracker actually tracks running or jogging with accurate metrics about time, distance, calories burned and more.
• [ Clearer Color Screen & 5 Brightness Levels ] Unlike Monochrome ones, this Activity Tracker Watch has a delicate color LCD display with 5 different levels of brightness that enables you to see stats nice and clearly despite of dazzling sun. With its gorgeous design that looks fantastic on your wrist, the tracker watch is perfect for graceful ladies, gentlemen or cool kids.
• [ Easy Charging & Long DurationComes with a built-in USB plug and does not need a charging cable for charging, just gently pull the band off and insert the built-in USB plug into a USB charger to charge. Only 1 to 2 hours charging time shall last you around a week.
• [ IVAN 365/24/7 ] Our expert would answer any questions, problem solved, no need to return to store.

FITFORT

• POLAR PRESENTS A NEW AFFORDABLE HRM: When you're looking for a reliable high quality heart rate monitor for your everyday sports, Polar H9 is a trusted choice of HR sensor that fulfills all your needs.
• GOLD STANDARD IN HEART RATE TRACKING: Built on decades of scientific research and development, recognized by both regular users and researchers around the globe, Polar is proud to be the Gold Standard in HR tracking.
• EXCELLENT CONNECTIVITY OPTIONS: Polar H9 connects to sports and smart watches (Polar, Garmin, Wahoo, Zwift, Peloton), activity trackers, gym equipment and other Bluetooth and ANT+ devices.
• NOW YOUR CARDIO WORKOUTS ARE MORE EFFECTIVE: From gym to indoor cycling via jogging and group exercise, track your heart rate and get an accurate calorie burn. Choose you size: XS-S: 20" - 26", M-XXL: 26” - 36”
• TURN YOUR PHONE INTO A FITNESS TRACKER: Enjoy endless connection possibilities to Polar Beat, Polar Club, Peloton, Nike+ Run Club and other popular fitness and training apps.

POLAR

• Heart Rate & Sleep Monitoring: Tracks real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle
• All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status
• Multi-Sport Modes & Connected GPS: 14 exercise modes help you better understand specific activity data; Connect the GPS on your cellphone can show run stats like pace and distance and record a map of your workout route
• See Calls & Messages on Your Wrist: Receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display; never miss the messages that matter
• Built-in USB Plug: Easy to charge with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 7 days of working time

LETSCOM

• 【 Activity Tracker with 14 Sport Modes】- Pedometer Watch:accurately track your steps, distance traveled, calories burned,duration time all day.14 modes Activity Tracker:Walking, Running, Cycling, Treadmill, Hiking, Fitness, Basketball,Badminton, Tennis, Football, Mountaineering, Spinning, Yoga, Dancing modes available to better track your workout
• 【 Blood Pressure Watch & Heart Rate Monitor】- Automatically monitor your heart rate throughout the day and night and manualy monitor your blood pressure with yamay 336 fitness watch,which adopts the latest HR and BP sensors to help you know your physical state accurately and timely
• 【 Waterproof Fitness Tracker & Sleep Tracker】- IP68 waterproof stand,you can go with yamay 336 when swimming or diving with no worries (can't track swimming data);Automatically detect your sleep during 9 pm to 8 am and analyze your sleep quality with deep sleep,light sleep and awake time.The silent vibration alarm can wake you up without disturbing others
• 【 Smart Watch for iPhone and Android Phones】- Work with iOS 7.1 & Android 4.4 above smartphones;Check call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications and text display directly on yamay 336,keep you informed anytime and anywhere
• 【Long-lasting Battery & Satisfied Service】- Charging is simple with no cable needed,just remove the bands and charge the built-in usb plug with any USB port.One full charge gives it up to 7 days of working time.If you have any questions about this product or your order,you can contact us at anytime.We reply most buyer messages in less than 12 hours.Buy with confidence.

YAMAY