Sony - WH-1000XM4 Wireless Noise Canceling Over-Ear Headphones Bundle - Black

Hello Chris, Thank you for choosing Sony! We appreciate your inquiry and are happy to assist you. The WH-1000XM4 headphones primarily operate wirelessly via Bluetooth technology, providing a seamless wireless audio experience. Additionally, they include a wired option, allowing you to connect using the supplied audio cable if preferred or if the battery is low. This dual functionality offers flexibility to accommodate your preferences. For further information and detailed usage instructions, please visit the following link: https://helpguide.sony.net/mdr/wh1000xm4/v1/en/index.html Best regards, -Fred