User manual SONY MDR-J20

[. . . ] To clean the earbuds Remove the earbuds from the headphones, and wash them with a mild detergent solution. 3 g (without cord) / Plug: L-shaped stereo mini plug / Supplied accessories: Earbuds (S (2), M (2), L (2)), Operating Instructions (1) * IEC = International Electrotechnical Commission Design and specifications are subject to change without notice. [. . . ] Please keep your headphones clean at all times especially inside the rubber earbud (see fig. If any dust or ear wax is inside the earbud, you may experience some listening difficulties. Listening with headphones at high volume may affect your hearing. For traffic safety, do not use while driving or cycling. Do not put weight or pressure on the headphones as it may cause the headphones to deform during long storage. If an earbud accidentally detaches and is left in your ear, it may cause injury. Note on static electricity In particularly dry air conditions, mild tingling may be felt on your ears. Wear the earpiece marked in your right ear and the one marked in your left ear. There is a tactile dot on the unit marked to distinguish the left side. Move up and down to change the split position of the cord. If the earbuds do not fit your ears correctly, low-bass sound may not be heard. To enjoy better sound quality, change the earbuds to another size, or adjust the earbuds position to sit on your ears comfortably and fit your ears snugly. If the earbuds do not fit your ears, try another size. When you change the earbuds, install them firmly on the headphones to prevent the earbud from detaching and remaining in your ear. [. . . ] When you change the earbuds, install them firmly on the headphones to prevent the earbud from detaching and remaining in your ear. To check the transparent earbud sizes The transparent earbud sizes are distinguished by a line pattern (see fig. [. . . ]