FEATURE: - 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.
***Please be extra careful when you need to remove the ear tips since they have extra grip on the earphone nozzles***
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