genuine dr dre studio beats, not fake, solos or pros ?

here i have my dr dre beats for sell, there real and have the serial number on them to prove there genuine.. there headphones are really special and the sound quality is unreal dont have the orignal box but have the carry case, the two monster cables and think i have the cloth some where no longer needed has i bought the pros one problem is that one of the circle silver circles in the b as fallen out and i have lost it but doesnt effect the headphones (shown in picture)