Correct wearing method
Take off your watch from time to time to rest your wrist
Depending on the environment in which the customer uses the watch (such as when wearing it for a long time or sweating ...), the skin might be strained or irritated.
To prevent skin problems, stop wearing the watch regularly and let your skin rest.
Do not overtighten the band
Tightening the band can cause skin problems due to excessive rubbing against the skin and the effects of sweat. Please use the band with enough space for one finger to improve breathability.
For heart rate measurement
See here for precautions when wearing