The left side is the Falwedi earbuds and on the right is the Apple EarPods. I am a family of 4 (3 skiers, and 1 snow boarder)The clam locks are not wide forcing you load the skis "mated. No ?breaking in? needed. Normally Id have gone with the cheapest option possible (off brand) for something like water sandals, but the reviews for the cheaper options made me question durability. The price can?t be beat. - Il y a une application (pour Apple et androïd) « Sennheiser smart contrôle »qui permet de paramétrer les écouteurs et faire des mises à jour logiciel. I noticed that you have to play with the adjustment and that it is not fully water proof. Most importantly, as mentioned, it is the ONLY product that Ive found that could successfully meet my requirements. I?m returning this. Comfortable and lightweight.