The wings ensure that the headphones sit securely in place while the eartips affect the acoustic properties of the headphones so if the earbuds tend to move or fall out, try changing to a bigger wing size as the eartips and the silicone wings come in different sizes that can be combined for a perfect fit.
1. Gently pull the eartip from the earbud and then remove the wing.
2. Attach the new wing by stretching it into place and making sure that the holes on the wing and earbud line up.
3. Fasten the new eartip on the earbud.