40MM Dynamic Driver ：Equipped with dynamic drivers that use 40-millimeter composite diaphragms, the drivers make the difficult-to-reproduce bass range of semi-open headphones clear and expressive, producing a clear and pure sound. Lingering and Spacious Sounds：By using Sapele wood for the shell, a natural sound lingering and spaciousness is achieved. In addition, each piece has a different wood grain, and the more you use it, the more its flavor will increase. *Please note that there may be individual differences in wood grain patterns and colors, so thank you for your understanding. Replaceable Detachable Cable：The included cable uses an 8-core OFC wire to achieve a stretchy high frequency range and excellent resolution.Standard with 3.5MM model cable, of course there is also 6.35MM adapter can be used in different playback device end making it compatible with a variety of uses. Comfortable Listening：The ear pads are made of thick sponge to ensure a comfortable fit. In addition, the headband is made of high-quality PU leather, providing excellent wearing comfort. Premium Service: If you have any questions about our products, please feel free to contact us, we are very happy to bring you a quality use experience and shopping experience! OKCSC M1 Pro Open-Back Headphones, Wired On-Ear Design Stereo Headsets, Retro Headphones Sapele Wood Shell 40mm Driver with 3.5mm Connection/6.35mm Conversion Plug Included for Music Audiophile