Geekria Shield Headphones Case Compatible with Sennheiser PXC 550-II Wireless, PXC 550, PXC 480 Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Dark Grey) - Walmart.com
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's PXC 550-II Wireless Headphones are Built for Travel
Geekria Shield Headphones Case Compatible with Sennheiser PXC 550-II W
Sennheiser PXC 550 ii Review [6 Months Later] - YouTube
Amazon.com: Geekria QuickFit Replacement Ear Pads for Sennheiser PXC 550 PXC 550-II Wireless MB 660 Series Headphones Ear Cushions, Headset Earpads, Ear Cups Cover Repair Parts (Black) : Electronics
Amazon.com: SENNHEISER PXC 550-II Wireless NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life, Black : Electronics