Electronics > Audio > Headphones > Earbud Headphones
TWS Bluetooth Earbuds with Power Bank Case KA-987
Brand: Generic / OEM
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Audited BOM: 11 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 premature failure of the left earbud (RMA-001) may be linked to the battery quality (COMP-001) or its integration with the main PCB, leading to reduced lifespan and customer dissatisfaction (REV-001).
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