Mi Band is one of the best fitness band now a days.It has a great battery back up with lasts for about 30 days.It measures your everyday steps and analysis your everyday sleep too into two category of light and deep.It helps u set alarms and also notifies about the incoming call by just a vibration.You can buy it from the Mi india app and it is now for 799 with white LED light.It is a good fitness band and also has a warranty of 1 year.It gives you app notifications also and it is definitely one of the best band u should buy if you r interested in purchasing one.Moreover it is waterproof and you can also wear it 24hrs.Thanks?
Cheers!