SONY WF-1000XM5 R (Right side only). Color is black. Functionality confirmed. Used for a short period, charging and battery life are good. Pairing, noise canceling, and other functions work without issue. In good condition with no scratches or stains. The version is the latest 6.1.0. Please note that pairing may not be possible if the versions are different. If you don't know how to pair, I will support you via message, so please feel free to ask.