Pentaconn Coreir Brass     Japanese Eartips with brass core     2 pairs per pack     Available in sizes S / M /MS / L     Suitable for Nozzle diameters from 4,5mm to 5,5mm Japanese master cult par excellence - Next Level EngineeringPentaconn Coreir Brass Eartips with built-in brass core.This new generation of eartips with a metal core built into the sound conduction, Coreir aims to achieve a spatial expression and sound reproduction similar to that of an earphone. The metal core is made of brass (Brass), which is inseparable from the sound. The shape of the sound channel is maintained so that the consistency of the sound is also preserved.Construction of the Pentaconn Correir BrassThe nickel-plated brass ring inside the ear tips is shielded by a silicone pad. For this reason, there is no contact with the skin.The padding used for demarcation is coloured with four colours in order of size to make it easier to distinguish between adjacent sizes.SpecificationsL: RedM: YellowMS: BlueS: BlackShaft/Shade: SiliconeMetal core: Nickel-plated brassNotice:The metal parts used in this product may detach from the silicone parts if strong force is applied. The metal core of this product is made of nickel-plated brass. Do not use this product if you are allergic to it or if you have sensitive skin.If dirt adheres to the product, wipe it off with a clean, dry cloth.