In Ear Headphones: Wired and perfect for exercising; With 3 sets of ear pads (S/M/L), earbuds stay in place while keeping surrounding noise out Ergo Fit Design: Earbuds conform instantly to your ears; Made for the perfect fit Balanced Audio: In ear stereo audio tonally balanced with crisp highs deep low audios. Plus wider frequency response and lively sound quality for recorded audio Extended Cord: A long, 3.6 feet cord threads comfortably through clothing and bags making headphones easy to connect Note: If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ear Rooted in Japan’s legacy of sound mastery and the commitment to ongoing innovation, Panasonic audio and entertainment products create an immersive, high-fidelity experience that elevates everyday media into something extraordinary.