- optical heart rate tracking: Polar OH1 tracks your heart rate with Polar’s high-quality 6-LED optical heart rate solution.
- built-in memory: Polar OH1 has a built-in memory that can store up to 200 hours of training data. You can sync your data to Polar Beat for analysis.
- swimming goggle strap clip: thread the clip to the strap of your swimming goggles and experience ultimate comfort of heart rate tracking. Polar OH1 stays snug against your temple.
- multiple connectivity options: you can use Polar OH1 to broadcast your live heart rate to many fitness apps, any Bluetooth-compatible sports and smart watch, ANT+ compatible cycling computers, & Bluetooth and ANT+ compatible gym equipment.
- waterproof: Polar OH1 is waterproof up to 30 m