Electronics > Portable Audio & Video > Portable Bluetooth Speakers
Portable Bluetooth Speaker EL-1130
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 lack of adequate battery protection (ENG-001) causes its rapid degradation, leading to RMA-004 and customer complaints of short battery duration (REV-002, REV-004).
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