Headphones Qoltec is an excellent choice for those who appreciate good sound quality and comfortable to use. Through its structure perfectly suppress the background noise. Headphones have a stylish design, and headband with both sides length adjustment, so perfectly adapts to the shape of the head. They fit to all devices with a standard headphone jack 3.5mm Stereo Mini Jack, for example: smartphone, tablet, phone, etc., and the flat cable for ease of use. In addition, the equipment is a cable for connecting to a PC.