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Polar H9 Heart Rate Strap
Placement on chest
Maximum Circumference: 75 / 105 cmfrom51,83 € at 7 stores
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Clear- Dual Band (Bluetooth & ANT+): Ultimate flexibility. It transmits simultaneously on both protocols, allowing you to connect the strap to your smartphone or tablet (via Bluetooth) and at the same time to your sports watch or bike computer (via ANT+).
- Bluetooth: The most common option. Ideal for connecting the strap to your phone (e.g. Strava), your smartwatch, or modern gym equipment.
- ANT+: Specialized sports protocol, essential for seamless connection with sports watches (such as Garmin) and bike computers.
- Rechargeable: Has a built-in battery and charges via USB cable, just like your phone.
- Interchangeable: Works with a classic button-cell battery (usually CR2032). It lasts for many months, and you can replace it yourself in seconds.
- Yes (Specially designed for water): Fully waterproof. It stores your heart rate while you swim and sends it to your watch/phone as soon as you get out of the water.