To listen to your music without disturbing anyone. Design Spider-Man 100% boys. Very light, you can carry it anywhere with you: at school, on holidays. Possibility to adjust the size, so that it fits perfectly on your head. Lever to control the volume. Volume control. 40 mm diameter. Frequency Response: 20 - 20 000 Hz. Rated power : 0.1 W. Stereo plug : jack 3.5 mm
