Compatible with Sony WHXB900N, WHCH710N, WHCH700N, WH1000XM4, WH1000XM3, WH1000XM2, MDRZX780DC, MDRZX770BT, MDRZX770BN, MDRZX750BN, MDRXB950N1, MDRXB950BT, MDRXB950B1, MDRXB950AP, MDRXB650BT, MDRXB650, MDRXB550AP, MDRXB550 case.
eBay