The P100 serial number is a 16 digit number beginning in 'FJ' and can be found on the product box. It can also be found on the right ear cup by removing the ear cushion on this side.
The P100 serial number is a 16 digit number beginning in 'FJ' and can be found on the product box. It can also be found on the right ear cup by removing the ear cushion on this side.