Electronics > Audio > Headphones & Earbuds > True Wireless Earbuds
Bluetooth 5.4 Wireless Earbuds KA-933
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 faulty soldering of the USB-C connector (ENG-001) prevents the case from charging (RMA-001), leading to customer dissatisfaction (REV-001).
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