I was recently purchased about 5 day ago and I very accurate result from this fitness tracker. And raining in the morning and I also swimming and this firbit tracker works fine and little bit best result of my body.
This tracker is not too costly its best for who daily exercise routine and the best thing is that this fitbit tracker battery backup is best 4 to 5 days is easly handles the task without any issues its great thing is waterproof certified . Fitbit is the best way to track your fitness activity .