Electronics > Audio > Headphones & Earbuds > True Wireless Earbuds
A-331 Wireless Bluetooth Earbuds
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 low quality of the battery cells (ENG-001) leads to rapid degradation, resulting in playback times far below promised (REV-001, REV-006) and premature charging failures (RMA-001).
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