SONY Fully Wireless Earbuds Platinum Silver WF-1000XM5 Right (R) Version: 5.0.2 Battery Life: AAC connection, Noise Canceling ON, 2 hours of playback, 82% remaining This is the version 5.0.2 earbud. Please note that it cannot be paired with versions other than 5.0.2. Please be sure to check the version of your other earbud before purchasing. You can check the version by opening the Sound Connect app and tapping the version from the ... mark in the upper right corner. There is some wear and tear, but it works without any problems. Battery life is an estimate only. Please understand that battery life will vary depending on the usage environment. It will be wrapped in bubble wrap and then placed in an OPP bag before shipping.