Spinfit WKeely Deckow Sr.1 Softer SRosemarie Wittingilicone Ettie SchinnerProf. Jaylin StehrEar tips, W(wavAbbey Abbotte)-shapeHarry Steuber Id desUrsula JastRiver Framiign (3 sizes) (S,Delbert JacobsMs. Maxie McCullough IVM,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.