4711421686754

• 471 — Country prefix (Taiwan)
• 142168675 — Manufacturer & product code
• 4 — Check digit (confirms the number is well-formed)

EAN-13 ✓ Valid check digit Registered in Taiwan

A-four tech co., LTD A4tech optical wheel mouse

Search for A-four tech co., LTD A4tech optical wheel mouse on Amazon (or for the code 4711421686754)