Genuine Polar H1 Heart Rate Sensor ONLY with New Battery (No chest strap) | eBay
Genuine Polar H1 Heart Rate Sensor ONLY with New Battery (No chest strap) | eBay
PolarGlobal on Twitter: "Today we've launched a new heart rate sensor: Polar H9! - Bluetooth, ANT+ and 5 kHz technologies - Battery life of 400 hours - Compatible with Polar Club Discover