Sennheiser PXC 550 Over-Ear Wireless Bluetooth Headphones – Black – used – I.E.T. INDUSTRIAL ANTONIO PRIETO – SINCELEJO, SUCRE
New Battery for Sennheiser PXC 550 Headset Li-Po Polymer Rechargeable Pack Replacement 3.7V 700mAh AHB413645PCT 3 Lines+Plug _ - AliExpress Mobile
Amazon.com: Sennheiser PXC 550 Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Electronics
Amazon.com: Battery for Sennheiser PXC 550 AHB413645PCT LIONX : Health & Household