User manual SONY MDR-XB700

[. . . ] XB driver units - Enormous-scale deep bass sound is realized through extra large 50 mm XB driver units engineered exclusively by Sony - 360 kJ/m3 high power neodymium magnets for clear mid-range sounds - Oxygen Free Copper (OFC) voice coil for high power handling capacity (3, 000 mW) · Direct Vibe Structure Tightly sealed acoustic design for a high level of sound isolation and booming bass sound · How to use (see fig. [. . . ] ⷠThe ear cushions may deteriorate due to long-term storage or use. ⷠThe ear cushions are hand-made parts so the stitches and grain of each may differ. ⷠDo not leave the jack plug dirty otherwise the sound may be distorted. ⷠClean the headphones with a soft dry cloth. Do not allow the plug to become dirty, otherwise the sound may deteriorate. ⷠDo not leave the stereo headphones in a location subject to direct sunlight, heat or moisture. ⷠBecause the headphones are of a high density enclosure, forcing them against your ears may result in eardrum damage. Avoid using the headphones where they are liable to be struck by people or other objects, such as a ball, etc. [. . . ] For more detailed information about recycling of this product, please contact your local Civic Office, your household waste disposal service or the shop where you purchased the product. [. . . ]