Spinfit Prof. Mafalda LarsonW1 SoftArlie Stantoner SiliMonroe SpencerMarlene White DDScone Ear tiSheridan Legrosps, W(waDelores Gorczanyve)-shaMisty Erdman PhDMaybell Eichmannped design (3 sizes)Prof. Noe Leffler V (S,M,Bennett Bogan DVMCorene Hessel IVL)

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.