First looked this strange earphones with a snail shape (see picture) investigation results with google this "snail" has a real name Samsung YA-EF 310, the specification from variety source : . Frequency range: 16-22,000 Hz . Impedance: 32 Ohm . Driver units: 16 mm . Sensitivity: 110 dB/mW . Power output: 40 mW . Cord length: 1.2 m . Plug type: Stereo 3.5 mm The shape can be lodged inside the ear does not grate if used for long periods, and because it looks so fit with the ear hole give true effect nise cancelation for great sound, bass effect sound deep and clear for various types of music. Although concentrating on the bass, for listening acoustic music every melody and rhythm guitar feels very crisp on the ear, the sound treable will not make your ears ache One of my favorite songs are from the band Naff. One song that I play over and over again is "Finally I found you", with these earphones sound of drums and the guitar feels comfortable to h...