Electronics > Audio > Headphones & Earbuds > True Wireless Earbuds
TWS Bluetooth Wireless Earbuds EL-1603
Brand: Generic / OEM
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Audited BOM: 9 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 use of low-quality Li-Po batteries without adequate protection (ENG-002) directly leads to rapid capacity degradation and charging failures (RMA-001, RMA-002), as evidenced by consumer complaints (REV-001, REV-002) about short duration and complete earbud failure.
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