Suitable model: for JBL E65 E65BTNC / DUET NC / LIVE650 BTNC LIVE660 BTNC Headset. Portable Carry Bag Case For JBL T600 TUNE660NC T450 T500 T510BT Headphone AEU. The earmuffs are made of protein leather + sponge material, with buckles, comfortable to wear and easy to install.
eBay