GHS-04 is a set of headphones with a built-in microphone and two 3.5mm jack connectors, manufactured by Gembird. The headset has a matt black finish, a total cable length of 2 meters, and has an impedance of 32O. These headphones provide a crisp, clear sound and are designed for use with laptops, tablets, smartphones, and other devices. They come with adjustable ear pads for comfort, and the microphone has a flexible design that allows it to be effortlessly adjusted to different angles.