Last year xiaomi has launched mi band but it has not the display so xiaomi has made a band with display called mi band 2 .
so talking about this band .band comea in two pieces one was capsules and a band to slide and fit on it
dont need to it does not get out of it it was fully and tightly fit on it
The was fully comfortable and we doesnt feel any skin irritation with using it
it has a button on the display which shown step taken , distance travel and calories burn .
and on the bas it has heart rate sensor
talking about its battery after charging 100% after 3 days it cmes only on 72% it show u r calls messages whatsapp messages talking about con so it have
one cons I have notice that if you got heart rate on it u have to wear it tightly on hand