Garmin Forerunner 645 Music

The i-Run team says

Technologies

• Ant+

  Wireless technology enabling the automatic transfer of data to the computer when it is within range of the watch.

• Fréquence cardiaque

  Permanently display your beats per minute to help you improve your physical condition.

• Running Dynamics

  1. Stride Length: Measure the distance traveled horizontally towards your destination.
  2. Ground Contact Time Balance: Measure your balance during ground contact to determine if your run is symmetrical.
  3. Vertical Ratio: Observe the effort required to move towards your destination. A low score indicates low energy expenditure or low bounce for a high stride length.