FiiO High-Purity Silver Headphone Cable - 2.5mm/3.5mm/4.4mm FiiO’s upgraded earphone cable is available with 4.4mm balanced 2.5mm balanced and 3.5mm single-ended plugs to be compatible with the vast majority of music players out there today. Each type of plug comes as L-shaped for better ergonomics and the headphone end utilizes the proven reliable and widely-used MMCX connectors. Compared to common silver and 925 jewellery silver the monocrystalline pure silver used in the LC-2.5/3.5/4.4-D is of higher silver purity and thus has better conductivity. Features High-Purity Monocrystalline Sterling Silver Litz Earphone Cable Available in 4.4mm balanced 2.5mm balanced and 3.5mm single-ended option L-shaped plug for better ergonomics Over-the-ear cable design