[. . . ] No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. [. . . ] When using earphones while on public transportation or in a public place, please be aware of the possibility of annoyance to people around you. Always handle either the earphones themselves or the plug, not the cord. Concerning the fit of the earpieces The sound quality you'll experience can vary depending on how well the earpieces of this device are fitted with your ears during use. In order to enjoy the sound as it should be heard, please wear the earpieces so that they fit snugly into your ears. If the earpieces do not fit your ears, exchange them with either the L or S sized ones, which are included. ) To remove an earpiece, grasp the body of the unit and gently pull the tip of the earpiece. [. . . ] If you experience any abnormality in the skin area contacted by the earphones, immediately stop using them. [. . . ]