Concept2, Inc. - The PM5 monitor is compatible with a variety of 3rd party apps. Check out https://www.concept2.com/service/software/other-apps#all-rower for a list of apps that are compatible with the PM5, with features from
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Amazon.com : Concept2 BikeErg 2900 Stationary Exercise Bike | PM5 Monitor, Adjustable Air Resistance for Exercise, Conditioning and Strength Training with Garmin HRM-Dual Heart Rate Monitor : Sports & Outdoors