Electronics > Audio > Audio Accessories > Earbud Accessories > Earbud Cases
30mAh M41 TWS Bluetooth Earbuds with Digital Display
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 low-quality battery (ENG-002) fails prematurely, leading to RMA-001 and customer complaint (REV-001).
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