Because of this, Sony chose to print the FCC ID information on a semi-circular label applied to the earcup’s mesh grille. If you roll the edge of the ear cushion back a bit, it’s plainly visible.

The Walkman Blog found an FCC Label and Location document filed by Sony on January 22, 2025 for a set of headphones bearing the model number YY2984. There’s no reference to “WH-1000XM6” and ...