Brand new Polar H10 Heart Rate Sensor, widely regarded as one of the most accurate chest strap monitors on the market. Ideal for serious training, gym workouts, running, cycling, and sports tracking. Specifications • ECG-based heart rate measurement • Bluetooth, ANT+, and 5kHz connectivity • Compatible with smartphones, smartwatches, gym machines • Battery life: up to 400 hours • Water resistance: 30m • Strap size: M–XXL Compatibility Works with: • Polar Flow • Strava • Zwift • Most fitness apps and gym equipment
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