Greater satisfaction with minimum investment on your earbuds
Normal hardness focuses on the expressiveness of sound
10mm length of inner shaft for standard earphones.(inner hole from 5.4~7.2mm of diameter)
Medical grade silicone offers in-ear stability and a lasting comfort
Various option of size by analyzing the shape of more than 1,500 ears over two years. (L-Large / ML-Medium Large / M-Medium / MS-Medium Small / S-Small / SS-Small Small)