... iPhone. Using Bluetooth 4.0 technology, HRM2806B can transfer accurate realtime heart rate data to your iPhone, through most popular ... cycling, or working out in the gym.Feature: 1 Accurate real-time heart rate data2 Compatible with Bluetooth4.0 technology ... , Fitcare, 60Beat, RunKeeper, MapmyRUN, Strava, MapMyRun, Endomondo, Sprots Tracker etc.5 Ultra low power consumption, battery life will last ...