Chest strap Bluetooth with ANT+ 5 kHz uncoded for Runtastic, Wahoo, Strava, Runmetter, Endomondo, Runkeeper app for Android such as Samsung S3 / S4 / S5 / S6 / S7 / S8 /
Optical HR Armband Shootout: Polar OH1+, Scosche Rhythm24, Wahoo TICKR FIT | DC Rainmaker
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