User manual DENON AH-NC800

[. . . ] 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. [. . . ] 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. Before turning on the power of a connected device, turn the volume all the way down. A sudden burst of loud sound could be harmful to your ears and cause hearing loss. Do not use headphones while driving a bicycle, motorcycle or automobile. In the interest of safety, keep the volume of your headphones at a level at which surrounding sounds can still be heard. Store the ear pieces out of the reach of children to prevent small children from accidentally swallowing them. Be sure to turn this headphone's power switch off when replacing the battery. Insert the battery in the proper direction, following the q and w marks in the battery compartment. [. . . ] 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. [. . . ]