Xiaomi’s $25 Mi Band 4 packs a color screen and swim tracking
 

Xiaomi is launching the Mi Band 4, the latest generation of its (almost) world-conquering wearables line. The dirt-cheap tracker comes with a bigger, sharper display, microphone and NFC, as well as a new gyroscope. Improved movement tracking means th...

https://www.engadget.com/2019/06/11/...swim-tracking/