I, m using this band since last 3 months and it give me best and accurate result of my body fitness I, m very impresed by the performance of the mi band 2 it looks very premium and cool in low cost that is the main attraction of band features is very usefull like heart rate monitering, sleeptime, stepcount, bp, incoming calls and much more information it is very user friendly easy to use it by touching one button it is best value for money band style and design is very impressive of the band the main thing is that battery backup is for very long time and money product worth