SONY Truly Wireless Headphones WF-1000XM4 Right (R) Version: 2.0.0 Please be sure to check the version of your headphones before purchasing. This product is version 2.0.0. Version 2.0.0 and 2.0.1 can be paired. You can check the version by opening the Sound Connect app and tapping the version from the ... mark in the upper right corner. This is a junk item. It does not respond at all. The sensor cover is missing. It will be packaged in bubble wrap and then placed in an OPP bag for shipping.