Qoltec 50811 Head-band Binaural Wired Black mobile headset

20 Hz - 22 kHz, 108 dB, 1.2 m, 3.5 mm - mini jack Headphones Qoltec is an excellent choice for those who appreciate good sound quality and comfortable use. Through its structure perfectly suppress the background noise. Headphones have a stylish design,ability to detach the cable and headband with both sides length adjustment, so perfectly adapts to head shape. They fit to all devices with standard headphone jack 3.5mm Stereo Mini Jack, for example: smartphone, tablet, phone, etc., and flat cable for ease of use.