Electronics > Audio > Headphones & Earbuds > True Wireless Earbuds
TWS Bluetooth Earbuds M19 Digital Display
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
Premature failure of an audio driver (RMA-001) is directly linked to low component quality (ENG-002), leading to customer dissatisfaction (REV-001, REV-005).
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