Optical wrist sensors fail on intervals. A Polar H10 chest strap is still the cheap accuracy upgrade for VO2 and HRV breathing sessions.
Wearables
Strong evidence
Polar H10
Chest-strap heart-rate accuracy for intervals.
How to use
Wet the electrodes. Pair to your watch or phone for hard sessions.
Details
- Type
- HRV
- Manufacturer
- Polar
- Connectivity
- Bluetooth, ANT+
- Battery life
- Hundreds of hours
- Water resistance
- Swim capable
- Compatibility
- iOS, Android, Garmin, Apple Watch (limited)
Editorial rating ★ 4.8
Unsexy and correct.
Reviews
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