Overview
- Preorders opened on September 3 at $199.99 in the US (€179, £149), with shipments beginning September 10.
- The display-free band tracks heart rate, activity, sleep, and recovery with data viewed in the Polar Flow app.
- Key specs include a Precision Prime (Gen 3.5) optical heart-rate sensor with accelerometer, up to eight days of battery life, four weeks of onboard memory, and phone-connected GPS rather than built-in GPS.
- Polar emphasizes EU-style data safeguards and says all features are accessible without paywalls or ongoing fees.
- A slim textile design (about 9mm thick, 29g, WR30) targets the discreet-tracker segment competing with Whoop and Amazfit, with independent long-term testing still pending.