Coros Heart Rate Monitor - Jakob Ingebrigtsen Limited EditionCOROS Heart Rate Monitor Jakob Ingebrigtsen The gold tier for accuracy, featuring a "Fearless" Jacquard band and 38 hours of activity tracking. Training Tools Access to the COROS Training System, including Race Predictor, Virtual Pacer, and workout builder. Voice TRAINING NOTES Use the built in mic to record training notes that are automatically transcribed in the COROS app. Comfortable and simpler to wear than a chest strap. Easy to adjust the fit