Electronics > Audio > Headphones & Earbuds > Over-Ear Headphones
EL-1509 Bluetooth Headphones with Low Noise Acoustic Isolation
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The use of low-quality foam (ENG-001) leads to rapid earcup wear (RMA-001), resulting in customer dissatisfaction (REV-001).
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