Replacement for Bose New QuietComfort Ultra Earbuds (2nd Gen) / Bose QuietComfort Ultra Bluetooth Earbuds only.
Perfect match with earbuds.
Packing list : 4 pairs dust mesh + 4 pairs metal mesh + tweezers.
Replacement process: 1) take off the old dust filter by tweezers and clean the earbud tube. 2) Pick off the dust filter by tweezers . 3) Paste dust filter on earbud tube then press several times.