Judging from the first impression  the Original Xiaomi Mi Band 2 is a slight upgrade to the Original Xiaomi Mi Band 1S with big improvement in design and features It is made for everyone most especially for sports lovers  it can help you calculate how many steps you take  how many calories you consume  and how far you run? When you wear the bracelet to do exercise  such as running  climbing  all these data can be synchronized and analyzed on your mobile phone which helps you plan your exercise time and amount more reasonably