Trumpet shirt cufflinks

Gemelolandia.com, shirt cufflinks that represent a trumpet in rhodium-plated steel and in 3D.

The trumpet is a wind musical instrument, belonging to the family of brass or brass instruments, made of metal alloy. The sound is produced thanks to the vibration of the performer's lips in the part called the mouthpiece from the air column (air flow). Is the trumpet commonly tuned to B? (flat), that is, one tone below the actual tuning (there are also trumpets tuned in F, C, A and E? (flat)