Polar OH1+
Optical exercise heart-rate recording and broadcast
- Battery / power
- Rechargeable 45 mAh ↗
Keep in mind Training/wellness measurements are not a diagnosis. Sensor fit, activity and software affect readings.
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Garmin HRM-Fit
Heart rate and running metrics from a sports-bra attachment
- Battery / power
- User-replaceable CR2032 with coin-slot door ↗
Keep in mind Training/wellness measurements are not a diagnosis. Sensor fit, activity and software affect readings.
Published specifications and documented constraints. See the full comparison below for prices and sources.
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| Fitness wearablesAdd a model |  |  |
|---|---|---|
| Prices · all markets | €59.90 EUR≈ $67 USDECB 2026-10-13EU · Listed price · Manufacturer listing; destination stock and fulfilment not verified 1 offer records & sources€59.90 EUR≈ $67 USDECB 2026-10-13 EU · Listed price Manufacturer listing; destination stock and fulfilment not verifiedOriginal manufacturer Polar OH1+ sensor, arm band and goggle clip Exact model price in manufacturer page or selected SKU. Coupons, reimbursement and checkout/shipping claims excluded.Check merchant offer ↗Price source ↗ Checked 2026-10-12 | $149.99 USD≈ €134 EURECB 2026-10-13US · Listed price · Manufacturer listing; destination stock and fulfilment not verified 1 offer records & sources$149.99 USD≈ €134 EURECB 2026-10-13 US · Listed price Manufacturer listing; destination stock and fulfilment not verifiedOriginal manufacturer HRM-Fit 010-13314-00 Exact model price in manufacturer page or selected SKU. Coupons, reimbursement and checkout/shipping claims excluded.Check merchant offer ↗Price source ↗ Checked 2026-10-13 |
| Designed for | Optical exercise heart-rate recording and broadcast ↗ | Heart rate and running metrics from a sports-bra attachment ↗ |
| Battery / power | Rechargeable 45 mAh ↗ | User-replaceable CR2032 with coin-slot door ↗ |
| Water / dust rating | WR30 ↗ | 3 ATM ↗ |
| Weight | 5 g sensor; 21.5 g with band ↗ | 53 g ↗ |
| Form factor | Arm band or swimming-goggle clip ↗ | Clip-on sports-bra sensor ↗ |
| Dimensions | 30 × 30 × 9.5 mm ↗ | 55.5 × 31 × 14.2 mm ↗ |
| Sensing | 6-LED optical heart-rate sensor ↗ | Not applicable to this category |
| Wireless | Bluetooth LE and ANT+ 2.0 ↗ | ANT+ with unlimited receivers; up to 3 BLE connections ↗ |
| Memory | 4 MB; up to 200 hours training data ↗ | Stores and forwards HR in standalone use; swimming storage not specified ↗ |
| Runtime | Up to 12 hours continuous use ↗ | Up to 12 months at 1 hour daily use ↗ |
| Temperature | -10 to 50°C ↗ | Not applicable to this category |
| Charging | Polar Optical Heart Rate Sensor charger ↗ | Not applicable to this category |
| Fit | Not applicable to this category | Designed for medium- and high-support sports bras ↗ |
| Running | Not applicable to this category | Running dynamics/pace/distance require compatible watch ↗ |
| Availability | Manufacturer model documentation verified. Exact destination checkout and fulfilment were not tested. | Manufacturer model documentation verified. Exact destination checkout and fulfilment were not tested. |
| Important context |
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| Editorial pick & release | No editorial ranking recorded | No editorial ranking recorded |
| Evidence | Manufacturer source Checked 2026-10-13 | Manufacturer source Checked 2026-10-13 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.