Electronics > Portable Audio > Portable Speakers
RGB Portable Bluetooth Speaker 30W IPX4 EL-1105
Brand: Generic / OEM
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Audited BOM: 6 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Low-quality soldering of the USB-C connector (ENG-001) leads to its fragility and eventual loosening (RMA-001), resulting in user complaints about the inability to charge the device (REV-001).
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