EHP-110 High fidelity metallic in ear Noise Canceling Stereo Headphone headphone with mic Features Specially designed for the DCT-511 tour guide transmitter, but excellent for answering calls and listening to music on smart phones. While enjoying the music, press the control to answer the call if the phone rings. Then press again to hang off and go on with your music. All metal parts are alloyed with aluminum, giving a sense of heavy metal and rock. The powerful neodymium magnet on the loudspeaker delivers clear alto and pounding bass. Choose an earpiece that fits your ear canal best from free S/M/L sizes to comfort wearing and isolate the noises. Innovative color identification for the cable and the earplugs. Gray for the left and black for the right. Velvet pouch for careful storage and transport.