To: Ability to reuse his old strap heart rate (detected in seconds) Possibility of preparing its drive on a computer then download them Touch screen responds well enough (not perfect, but insisting a bit it works) Long battery life (still not changed after more than 1000km; CR2032 the heart rate changed once (easily))
Against: GPS location very slow start (personally, I put it on the balcony before going out to run it starts localization, I wait 5-10 minutes after an open area) I already lost data
