Genuine: complete box, certificate, anti-counterfeit label.
Genuine: even plating, no rust/burrs. Fake: rough, uneven.
Genuine: smooth, consistent. Fake: gritty, binding.
Genuine: flexible, tight. Fake: hard/brittle or too soft.
Genuine: clear, traceable. Fake: fuzzy or nonexistent.
Huami: IATF16949 certified, every piece tested. Choose quality.