This precise heart rate sensor has Bluetooth & ANT+ connectivity

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Bluetooth Smart and ANT+ Heart Rate Monitor

Polar H10 Bluetooth / ANT + Heart Rate Transmitter

Spinning® Connect Kit incl. Annual App Subscription (Chest Strap Heart Rate Monitor) - Spinning®

✅±1BPM OPTICAL HEART RATE ARMBAND & CALORIE TRACKER: COOSPO HW9 heart rate armband uses optical heart rate technology to provide accurate heart rate

COOSPO HW9 Bluetooth 5.0 ANT+ Heart Rate Monitor Armband with HR Zones/Calories Burned, Optical HRM Sensor for Fitness

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GEOID HS500 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT +/Bluetooth, Compatible with iOS/Android APPs

Quality fitcent heart rate sensor belt with free worldwide shipping. Find products of Outdoor Fitness Equipment with high quality at AliExpress.

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Chest Heart Rate Monitor, Heart Rate Monitor Chest Strap, Bluetooth He – Vortec

Wellue VisualBeat Heart rate monitor designed for sports lovers. Tracks and records real-time heart rate with medical accuracy. ANT+ compatible devices supported, such as smartwatches and fitness apps. The built-in alarm vibrates when your heart rate is too high. Auto data recording and sync to the app. Highly accurate based on reliable technology.

Professional Heart Rate Monitor for Sports. Chest Strap-free, No constrain. Highly Accurate.

Optical Heart Rate Arm Band Sensor Polar Heart Rate Monitor Peloton - Heart Rate - Aliexpress

Polar H10 Heart Rate Sensor

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Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth, Waterproof HR Sensor for Men and Women (NEW) : Sports & Outdoors

Polar H10 Heart Rate Sensor review: Better than a smartwatch for accuracy