Garmin HRM4 Run


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Garmin HRM4 Run

The HRM4 Run heart monitor strap gives you the most advanced running metrics to your Garmin Forerunner device. The small, lightweight module fits within the width of the comfortable, seamless strap whicle providing you the most advanced heart rate features including V02 mx, recovery time estimates, performance condition, stress score, lactate threshold and more. It also features 6 running dynamic measurements: ground contact time, stride length, cadence, vertical oscillation, vertical ratio and ground contact time balance. This real time data will help you take your performance to the next level each time you hit the pavement.

Technical Specs:

  • Unit dimensions (LxWxD): 23.5”-56.0” x 1.2” x 0.5” (60.0 - 142.0 x 3.0 x 1.2 cm)
  • Weight: 2.1 oz (59 g)
  • Module size: 29.4 x 51.4 x 8.5 mm
  • Module weight: 1.7 oz (49 g)
  • Size adjustment: Bi-fold
  • Sizing range: 23.5”-56.0” (60.0 - 142.0 cm)
  • Battery: CR2032
  • Battery life: Up to 1 year (approx. 1 hour per day)
  • Water rating: 5 ATM

What's in the Box:

  • HRM-Run
  • Strap Extender
  • Manuals