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Polar H9 vs. H10: which chest strap fits your training?
Both chest straps transmit heart rate. The main differences are onboard recording, simultaneous connections, and strap size.
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Polar H9 vs. H10 features
| Feature | Polar H9 | Polar H10 |
|---|---|---|
| Placement and sensor | Chest, electrical sensor | Chest, electrical sensor |
| Included strap | Polar Soft Strap | Polar Pro Strap |
| Simultaneous Bluetooth connections | One Bluetooth receiver | Two Bluetooth receivers with the setting enabled |
| ANT+ and GymLink | Yes | Yes |
| Onboard workout recording | None | One session |
| Power and stated battery life | Replaceable battery, up to 400 hours | Replaceable battery, up to 400 hours |
On a phone, scroll the table sideways.
Battery life is the manufacturer’s stated maximum. The table compares documented features.
Photos and variants on Amazon.com
Polar H10 M–XXL
View on Amazon.comAffiliate linkHow to choose for your training
Polar H9
Broadcasts over Bluetooth, ANT+, and 5 kHz. It needs a connected device to record a workout.
Polar H10
Supports two simultaneous Bluetooth connections and stores one session. See Polar’s instructions to enable the feature.
Fit and compatibility
Measure around your chest, confirm the selected size, and check the connection types supported by your watch or app.
Recording one session on the H10
To record a session on the H10, check how to start it in Polar Beat before leaving your phone behind. The H9 sends data to the connected device during the workout.