![Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors](https://m.media-amazon.com/images/S/aplus-media/vc/91080dcf-10fa-4c48-9c1b-be9c06cf4c64.__CR0,0,970,300_PT0_SX970_V1___.jpg)
Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors
![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 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](https://pbs.twimg.com/media/EPczYh_XUAAja_R.jpg)
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
![Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports & Pro Chest Strap - Heart Rate Monitor Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports & Pro Chest Strap - Heart Rate Monitor](https://m.media-amazon.com/images/I/51x7B6-uhkL.jpg)
Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports & Pro Chest Strap - Heart Rate Monitor
![Polar H9 - Heart Rate Sensor for Cellular Phone, Smart Watch, Activity Tracker, Medium, Double Extra Large - Walmart.com Polar H9 - Heart Rate Sensor for Cellular Phone, Smart Watch, Activity Tracker, Medium, Double Extra Large - Walmart.com](https://i5.walmartimages.com/asr/7c9cfe25-3c65-41d4-a0ca-ef6f0b081a34.97d60b4d4c843cbbad889d013e168314.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)