Electronics > Audio > Headphones & Earbuds > Over-Ear Headphones
2-in-1 Bluetooth Headphones with Speaker Mode EL-1177
Brand: Generic / OEM
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Audited BOM: 12 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 low-quality battery (ENG-001) fails prematurely (RMA-001), leading to complaints of insufficient battery life (REV-001).
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