Mi band watch it is comfortable and band of the color changeable and I ever like these watch because it have a special thing that any other watch did not have that is pedometer and changeable of band so I like this feature of the watch last but not least I like sensor which is connect to our body. I recommend you to buy this object. The feature of the watch is it tells heart rate, it shows plus rate, and how many kilometer did you walk and it also shows how many callaries were burn in the body and suggest you to buys this product because we are doing so many activity morning to night to Controll our health condition. on my wards it is good to me