Xiaomi Mi Watch: Complete Scientific Review. by The Quantified Scientist. I tested the Xiaomi Mi Watch Lite against a scientific sleep EEG device, and tested the SpO2, heart rate The Xiaomi Watch Lite is a cheap smartwatch that is surprisingly nice to live with once you accept the compromises you have to make with it. You're not going to get that same high-quality For a cheap smartwatch, the Xiaomi Mi Watch Lite hits a lot of the right notes. While it's not the most exciting looking watch, it's well built and offers good screen quality for the QXkEeE.

xiaomi mi watch lite review