System Requirements

  • Concept2 Indoor Rower or SkiErg with a PM4 running firmware version 317 or 28 or later.
  • Wahoo Key, available from This device provides an ANT wireless connection to the PM4 for receiving the PM4 data.
  • A compatible iOS device (for using the VoiceOver feature):
    • iPhone 3GS
    • iPhone 4
    • iPad
    • iPod touch 4G

Note: Excluding the VoiceOver feature, ErgBuddy may also work on iPhone 3G and older iPod touches. Concept2 does not test or support these older configurations.