Electronics > Portable Audio > Portable Speakers > Bluetooth Speakers
50W RGB Bluetooth Speaker EL-1078 with Lamp, Digital Clock, and Wireless Charger
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 use of low-quality generic battery cells (COMP-004) and an inadequate BMS (ENG-002) leads to rapid capacity degradation, swelling, and total battery failure, resulting in returns for not holding charge (RMA-001) and customer complaints (REV-001).
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