I bought MI band from flipkart last year. The delivery was pretty fast and I received the package within 3 days and thereafter I opened and did all the configuration as given and finally my Mi Band was ready to be used. I started using it from the next morning and it was great it calculated almost everything from your walking statistics to sleep and from heart beat to calories but after around 2 months of use it started showing problems it could no longer record my sleep statistics and also gave wrong walking data, and finally one day it got wet while I was playing and it got malfunctioned and no more worked, I complained about it to both Mi and flipkart but their replies weren’t satisfactory none of them showed interest in replacing or repairing the device rather they said to open up clean the device and try to use again I did tried it but it didn’t worked. Nevertheless the product is good and also Mi is a good brand but this time they couldn’t provide a good service.