PolarGlobal on X: "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
Chest Strap Bluetooth with ANT + 5KHZ Uncodiert for runtastic, Wahoo Strava App for Android, Samsung S3/S4/S5/S6/S7/S8, Sony, LG, HTC, Google, Huawei, ZTE Heart Rate Monitor : Amazon.co.uk: Sports & Outdoors