Cleaning the WF-1000XM4 earbud tips
To prevent the earbud tips from deteriorating quickly:
- Do not use water to wash them off.
- Do not use alcohol or any chemical to clean them.
- Use only a soft dry cloth to wipe them off.
- If the earbud tips get wet, drain the liquid well and do not use or place them in the charging case until they are dry.
Note: If you need new earbud tips, replacements are available.  Go to Parts and Accessories.