- Tip Sound Isolating
- Room acoustic steel
- Anti-noise Polymer
- Steel Gold Plated Connectors
- Reinforced cable cap
- Braided Kevlar coating
- Remote stainless steel
more accessories jacks for hi-fi, air intake tuning etc ...
For jogging by cons not sure this is the most practical because "it has the defects of his qualities," the acoustic chambers steel weight ... yet