Amazon.com: Linkidea Headphones Carrying Case Compatible with Sennheiser PXC 550, PXC 550 II Wireless, PXC 480 Case, Protective Hard Shell Travel Bag with Cable, Charger Storage (Black) : Electronics
SENNHEISER PXC 550-II noise Canceling Headphones Wireless, AptX-LL, Ap Working | eBay