MiBand 4
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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 that, for the first time, the band can be used to automatically record your swim laps.
