Sennheiser PXC 550-II wireless noise-canceling headphones are $190 off | Mashable
Geekria Shield Headphones Case Compatible with Sennheiser PXC 550-II W
Original SENNHEISER PXC 550-II Wireless NoiseGard Adaptive Noise Bluetooth 5.0 Hi-Fi Headset Sport Gaming Earphones Foldable Mic - AliExpress
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 Bluetooth headphones – MYEARBUDS
Amazon.com: Sennheiser PXC 550 Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Electronics
Geekria Shield Headphones Case Compatible with Sennheiser PXC 550-II W
Sennheiser PXC 550-II review: Great sound and ANC - SoundGuys
Amazon.com: SENNHEISER PXC 550-II Wireless NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life, Black : Electronics
Sennheiser PXC 550-II: Bose and Sony rival gets upgraded - CNET