User manual DENON AH-C260R

[. . . ] Before using the headphones, be sure to read the attached document "Precautions on the use of headphones". Using the headphones About the ear pieces Select the ear pieces providing the best fit from among four sizes: XS, S, M and L (vA). [. . . ] Do not place undue stress on the cable, as this can result in wire disconnection or damage. Do not pull too hard on the cord when attaching it to or removing it from the included clip. If you allow a portable device to hang from the headphones, it may become disconnected and fall. If you feel that the headphones irritate your skin, stop using them and contact a physician or the sales outlet for advice. Do not use benzene, thinners, or other organic solvents or insecticides on the main unit since they may cause a change in quality or color. Sound leaks out from the headphones when the volume is too high, which may annoy people around you. We declare under our sole responsibility that this product complies with the standards: EN55013 and EN55020, and follows the provisions of 2004/108/EC Directive. This product's packaging materials are recyclable and can be reused. Please dispose of any materials in accordance with local recycling regulations. To prevent hearing damage, avoid using your headphones at such a high volume that it irritates your ears. [. . . ] Used battery in accordance with local regulations on battery disposal. Do not keep the battery near a fire source, in a place exposed to direct sunlight, inside a car in the hot sun, or in places with extremely high temperatures, such as near a heater. [. . . ]