This fitness tracker is produced by the brand Xiaomi which is an amazing growing company nowadays. I am just in love with this company to be honest. This band which is not only a simple band but a pretty accurate fitness tracker which tells you how many steps you take and how many hours you deep sleep and light sleep in general. It has an alarm feature also which works pretty well, basically it vibrates on the time you set. You can see all the data on your smartphone itself and this band can notify you when you get call/messages, I personally used it for my WhatsApp and Facebook messages.
So overall this is simply BANG FOR YOUR BUCK! And I would suggest you all to buy this band if you are on a budget.