Sony WF-1000XM4 Replacement Earbud or Case - Left Right OR Case --FIRMWARE 2.3.1
The Sony WF-1000XM 4 Earbud Case Kit offers a convenient solution for charging and storing your premium headphones. This authentic replacement part comes with a single earbud and an original foam ear tip, ensuring a comfortable fit. With a guaranteed 8 hours of battery life per charge, these earbuds have been thoroughly tested and updated to firmware 2.0.1 for optimal performance. Follow the provided instructions for initializing or restoring factory settings if needed.
If you need firmware 2.1.0or 2.0.1 let us know and we will send you one otherwise we will send the firmware you need. Place the headset in the charging case, leave the lid of the charging case open and wait for lights to flash repeatedly (red) in sets of 3, then hold your fingers to the touch sensors on both the left and right units for about 10 seconds.
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