| Polar OH1+ | |
 | |
| TECH SPECS | |
| Size | Elastic strap |
| Charging | Yes |
| Battery | 45 mAh Li-pol rechargeable battery |
| Battery life | Up to 12 hours of continuous training |
| Water resistance | up to 30 m |
| Weight | Sensor 5 grams, strap 12 grams |
| Sensor | Heart rate sensor |
| Connectivity | Bluetooth, ANT+ |
| Internal storage | Up to 200 hours training |
| METRICS | |
| Heart rate | Yes |
| Heart rate variability | |
| Running metrics | Keeps track of your heart rate with multiple target zones, calories burned, steps taken and distance. |
| Swim statistics | Suitable for bathing and swimming. Comes with clip to attach to swimming goggles. |
| Other | |
| LINKS | |
| Affiliate link* | Amazon |
| Read more | Review |
**All tech specs and images on this page come from manufacturers. These may change over time as manufacturers sometimes update their devices. While we cannot guarantee absolute accuracy of information on this page, we promise to review this content regularly and do our best to bring you the most up-to-date information. To be absolutely sure of tech specs of a particular device, we recommend checking the manufacturer’s website.