The new Mi Band 3 comes with a large OLED touch screen allowing you to view & reject calls, read SMS, WhatsApp and other messages and app notifications. It also has water resistance up to 50m, so now you can swim and surf while wearing the band. The real time activity tracking helps you know the exercise data in real time allowing you to set your pace. The new Mi Band 3 also comes with a long-lasting battery that lasts up to 20 days. The Mi Band 3 also has additional features like locate you phone, sleep analysis, stopwatch, quiet mode shuffle, weather forecast etc.