The A300 requires a chest strap for it to record heart rate data. Best Buy offers 2 versions of the A300, one sold with that chest sensor and another without. As for how it feels while wearing it, the strap itself is a soft fabric that contours to the body, making it comfortable to wear while exercising with the product - Mike@PolarUSA
7 years, 9 months ago
by
Posted by:
Polar Product Team