Electronics > Portable Audio > Portable Speakers
EL-1080 Portable Bluetooth Speaker 30W LED RGB 2400mAh Battery TWS USB TF FM
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-cost battery cells (ENG-002) leads to rapid capacity degradation, resulting in charging failures and quick discharge (RMA-001), as reported by consumers (REV-001).
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