Shure SE530 User Manual page 6

CLEANING THE EARPHONE NOZZLE
If you notice a change in sound quality, remove the sleeve and check the
nozzle of your earphone. If nozzle is blocked, clear obstruction by using
wire loop end of cleaning tool.
Wire
Loop
Cleaning
Tool
When cleaning, do not force any object through the earphone nozzle!
This will damage the earphone sound filter.
Warning: The cleaning tool is only to be used to clean the
earphones. Any other use, such as using the tool to clean ears,
could result in injury.
Nozzle