![Amazon.com: MPF Products 700mAh AHB413645PCT Battery Replacement Compatible with Sennheiser PXC 550 PXC550 Noise Cancelling Wireless Bluetooth Headphones : Electronics Amazon.com: MPF Products 700mAh AHB413645PCT Battery Replacement Compatible with Sennheiser PXC 550 PXC550 Noise Cancelling Wireless Bluetooth Headphones : Electronics](https://m.media-amazon.com/images/I/51+9ukJ65CL.jpg)
Amazon.com: MPF Products 700mAh AHB413645PCT Battery Replacement Compatible with Sennheiser PXC 550 PXC550 Noise Cancelling Wireless Bluetooth Headphones : Electronics
![Amazon.com: Sennheiser PXC 550 Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Electronics Amazon.com: Sennheiser PXC 550 Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Electronics](https://m.media-amazon.com/images/I/71YMdgtJZJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Sennheiser PXC 550 Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Electronics
![PXC550 won't hold >20% charge and runs out quickly. Cracked the case to check buttons and found an extra 'music' button. Anyone else had this issue? : r/sennheiser PXC550 won't hold >20% charge and runs out quickly. Cracked the case to check buttons and found an extra 'music' button. Anyone else had this issue? : r/sennheiser](https://i.redd.it/ytz9jmx8ntn71.jpg)