Electronics > Computers > Computer Accessories > Mice
AG-690 USB Wireless Optical Mouse
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 use of low-durability switches (tier 3) leads to premature failure of the left button, resulting in RMAs and negative reviews.
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