I got red skin under sensor. i had many garmins and never had this problem even in summer. wash my watch after every workout.
i turned on spo2 allday and after one day I got red rash. hurted if i touched it.
turned of spo2 and two days later rash is almost gone and it doesent hurt anymore
Instinct 2x
anybody else got this from spo2 on allday?