Electronics > Audio > Headphones & Earbuds > In-Ear Headphones
XEJ-020 In-Ear Headphones with Microphone
Brand: Generic / OEM
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Audited BOM: 8 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-001) lead to sound distortion (REV-001, REV-003) and component failure (RMA-002).
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