The Xiaomi Smart Band has been upgraded with a quick release mechanism that does not allow you to change straps and remove them completely. It incorporates a 1.62" 60Hz AMOLED screen. Automatic brightness adjustment perfectly adapts to the brightness of the environment. It has over 150 sports functions. The band offers all-day monitoring of heart rate, sleep and stress. At the same time, it incorporates fast charging and extremely long autonomy.