Authentic - Refurbished - Replacement Part - NOT A COMPLETE SET - You
will receive a single "LEFT SIDE" replacement item. One original
silicon ear tip will be included. Thoroughly tested and guaranteed to
operate as intended by the manufacturer. NO RETURNS
***These
replacement earbuds have been updated to FIRMWARE 2.0.0 or 2.0.5 and will ONLY
sync with a right side that has the same FIRMWARE. PLEASE LET US KNOW
WHICH FIRMWARE YOU NEED. IF YOU NEED ASSISTANCE BEFORE YOU PURCHASE OUR EARBUD PLEASE CONTACT US.*****
Initialize the headset to restore factory settings.
Instructions may be found here: https://helpguide.sony.net/mdr/2968/v1/en/contents/TP1000783925.html
Instructional video: https://helpguide.sony.net/mdr/mov0055/v1/h_zz/index.html