1. For JBL Synchros E30 headphones.
2. Closely fit the ear to reduce leakage and slip.
3. Dust-proof and thin mesh to isolate some dust and effectively protect the inside of the earphone.
4. High-cycle heat wave is pressed to seal the edge and prevent off-line.
5. The headset is not included.
6. Outer diameter: 60mm.
7. Inner diameter: 34mm.