Jvc EP-FX11M-B Replacement earpiece Spiral dot SF (stress free) Silicon material 4 pieces M size black

Spiral Dots" is a unique sound quality improvement technology that uses a spiral arrangement of dots on the inner wall of the earpiece. This technology diffuses the reflected sound inside the earpiece and optimizes the balance between the direct sound and the reflected sound, thereby suppressing the clogging of sound and realizing clear sound.;A new shape that reduces pressure on the ear and the use of the softest grade of silicone material achieves a light wearing comfort. In addition to improving the wearing comfort of the popular completely wireless model, it is comfortable to use even when worn for long periods of time, such as during remote meetings.;5 sizes (S/MS/M/ML/L) are lined up so that you can choose the best size earpiece for your ear. It enhances the sound reproduction ability of your earphones.