Adjust headphones sound to the proper volume, loud sound may damage your ears. For traffic safety, never use the headset while riding a bicycle,motor bike , or while driving a car . It is dangerous to increase the sound volume too much because you cannot hear external sound
Description:
Unlike traditional, circular earbuds, the design is defined by the geometry of the ear which makes them more comfortable for more people than any other earbud-style headphones
•The speakers inside have been engineered to maximize sound output and minimize sound loss, which means you get high-quality audio