The First & Pioneer Design Only from SpinFit What's special? Double-layered core: Outer softer silicone keeps comfy wearing feelings. Inner harder silicone makes stable installation on earphones. W(wave)-shaped design: Reduce the pressure from outside. Enhance the noise isolation function. Now Five sizes to choose from: L, M, MS, S, SS. MS & SS are new!! New Package. Same Quality. More into your listening journey. W1 seamlessly integrates into your life with single-size package. Ideal for audiophiles who engage in heavy usage and want every earphones with same-sized W1 on. Stylish packaging keeps the same sophistication as the original 3-size-pack. Perfect for both gifting & personal use. Size range: L, M, MS, S, SS. Double-layered core & W(wave)-shaped design. Outer Core: softer transparent silicone connects the umbrella as the outer layer. Inner Core: harder semi-transparent silicone grabs the earphones tighter and stabler. How do I know if my earphone fits W1? W1 fits very well mainly on multiple drivers and big dynamic driver earphones. W1 fits perfectly on big and heavy earphones due to the stability the design gives. Compatible with the same earphone groups as CP145.
