Sony WF-1000XM5 LEFT Ear Only (L) 6.1.0 Last Version Firmware - Black
• Firmware version 6.1.0 (Last Version) is required for proper pairing and functionality. • Unsure about your current model or firmware version?. • Genuine Sony ear tip pre-installed. • Left-side Sony WF-1000XM5 Earbud (Black).