Reviewers Liked

  • Tactile button for certainty in recording
  • Comfortable design
  • Screenless form factor is a winner
  • Garmin Connect is a solid app
  • Up to 10 days of battery life
  • Accurate auto-activity tracking
  • Works with iPhone and Android, plus ANT+ heart-rate broadcasting to compatible Garmin devices

Reviewers Didn't Like

  • Limitations in metrics compared to a full Garmin watch
  • Relatively high price for the puck
  • Module is large and bulky
  • No built-in GPS
  • No display means even simple feedback depends on haptics or Garmin Connect