021299151976

• 0 — Number system
• 21299 — Manufacturer code
• 15197 — Product code
• 6 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Koss corporation large ur21c headphones (very nice)

Search for Koss corporation large ur21c headphones (very nice) on Amazon (or for the code 021299151976)