Electronics > Audio > Headphones & Earbuds > In-Ear Headphones
Wired In-Ear Earbuds with Microphone XEJ-019
Brand: Generic / OEM
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Audited BOM: 7 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Low-quality audio drivers (ENG-002) lead to premature failure in one side of the earphone (RMA-001), resulting in negative consumer reviews (REV-001).
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