Xiaomi Mi Smart Band 4 unveiled, and it could be a Fitbit Charge killer

Xiaomi's latest budget-friendly activity tracker has been launched, and it boasts a host of all-new features to rival what FitBit has to offer.

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Xiaomi Mi Band 4 review: Improved, and unbeatable at this price - SoyaCincau

I replaced my Fitbit with a $35 Mi Band (mini-review) - Liliputing

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Step up, live more. Full color display and heart rate monitor. Get a wider, more colorful view right on your wrist.

Xiaomi Mi Band 4

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Best budget fitness tracker: Fitbit Inspire HR or Mi Band 4? - CNET

The Apple Watch is still the one to beat