Garmin 010-00741-21 Forerunner 910XT with Premium HRM Type: Fitness Band Color: Black Features: You swim. You bike. You run. You obsess over data and details. So do we. And we've just perfected your new training partner. Forerunner 910XT is the only all-in-one, GPS-enabled device that provides detailed swim metrics and tracks distance, pace, elevation and heart rate1 for running and cycling. It sports a sleek profile, comfy wristband and an easy-to-read display. Battery Life: up to 20 hours