Sony WF-1000XM5 Black Earphone Right Side (R) Only * Operation confirmed * Pairing confirmed This is a version 5.0.2 earphone. 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. Please understand that this is a used item before purchasing. Battery operation has been confirmed for more than 1 hour. Sony Model Name...WF-1000XM5 Case and genuine ear tips are included as a bonus.