3 pairs CVJ Earphone Memory Cotton Earmuffs Chronic Rebound Earplugs PU Sponge Memory Sponge Earphone Eartips for CSN Mi

Specification Name Silicone memory foam in ear earphoneSize 4 5 5mmOptional Color BlackMaterial High quality inert spongeInstructions Gently press the memory sleeve with your fingertips to make it smallerThen quickly put the memory cotton sleeve into the earAfter a few seconds the memory foam slowly expands and sticks to the ear canal Package Included 3 pair Eartips Memory Foam earphone not included