Now a days this type of electronic band is very useful for our fitness. Many other expensive bands are very good than xiaomi mi band 1s but in this budget I will say it’s very good band than others. If we talk about design then It has beautiful built quality and design. It has excellent military gread sensor and it’s not only compaitable with mi phone also compaitable with many other smart phone like( Samsung, apple etc) . I like this product very much.