
The Mijia S400 pairs Bluetooth 5.0 connectivity with four metal electrodes and a reinforced glass top, delivering accurate weight readings and basic body-composition metrics; however reviewers flag inconsistent body-fat/water results and the need for the companion "ME" app for full functionality. Good as a compact Bluetooth LED bathroom scale (max 150kg) for users who want easy syncing and replaceable AAA batteries, but not for those needing clinical-grade body-composition accuracy.
Best for users wanting a compact Bluetooth-enabled LED scale with replaceable AAA batteries; avoid if you need clinically accurate body-fat measurements or support above 150 kg.
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