I am very happy to share my review about mi band which I was bought more than 7 months ago.i did not experience any problems with my stylish band .it also connects very fastly yo the bluetooth.it is very stylish in model and available in different colors.its battery backup is also very amazing battery backup.its last for 30 days when it is once fully charged.it is very worthful to have it.it tracks our peadometer and it is also very userfriendly.so friends for a healthy tract go with it