Electronics > Portable Audio & Video > Portable Speakers
Bluetooth USB TF FM AUX LED Portable Speaker KA-8205
Brand: Generic / OEM
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Audited BOM: 16 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 choice of a low-quality battery (ENG-001) leads to its rapid degradation (RMA-001), resulting in customer dissatisfaction due to the unfulfilled promise of 'high autonomy' (REV-001).
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