<ul> <li>36 mm ndfeb unit with high performance , has tone quality with high fidelity , voice is clear and tone is sweet.</li> <li>Ergonomic design , high - quality memory foam ensures comfortable and steady wearing for a long time.</li> <li>Embedded omnidirectional high - sensibility microphone can automatically promote self sensibility according to ambient noise , no matter where you are , when there is an incoming call , free and clear communication can be got once pressing answering key.</li> <li>Attached audio cable can be used as wired earphone double - headed 3.5 mm audio interface can direct connect with phone , tab let pc and other devices.</li> </ul>