Dr. Herta EichmannSpinfit WMr. Travis Schuppe Sr.1 Softer SProf. Imani Sanford DDSilicoDr. Marlin Harberne Ear tiYesenia Reynoldsps, WRiley Blanda PhD(wave)-shProf. Titus Treutel DVMaped dMrs. Telly Volkman Iesign (3 sizes) (S,Austen Vandervort MDHeather DuBuqueM,L)

Double-layered core:

Outer softer silicone keeps SpinFit signature comfy wearing experience.

Inner harder silicone makes W1 more stable when the ear tips are installed on earphones.

W(wave)-shaped design:

Reduce the pressure from outside

Enhance the noise isolation function.

Recommend earphones style-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.