DELTACO GAMING Stereo Gaming Headset, 57mm element, LED illumination, black This gaming headset from DELTACO GAMING has massive 57mm elements to reproduce the best possible sound during your gaming. The headphones are equipped with synthetic leather to be comfortable enough to be worn even for several hours of game play. The headset connects to the sound card on your computer via two 3.5mm mini-connectors, the USB-A male connector connects to a free USB-A port to power the orange illumination on both the headphones but also the microphone. At the back of the left hand corner there is a volume adjustment wheel. • 57mm element • Frequency range: 20Hz - 20kHz • Headphone sensitivity: 122dB ± 3dB • Impedance headphone: 32Ω ± 15% • Microphone sensitivity: -38dB ± 3dB • Connections:   2x3.5mm minitele   1xUSB-A for LED illumination • Cable length: 2, 1m connectivity Technology WiredConnector Headphones (mini stereo jack, stereo 3.5 mm)Connector USB (4 pin USB Type A)Connector Microphone (mini-cord connector 3.5 mm)aperture 57 mmform factor Microphone for headsetfrequency response 20 - 20000 HzColor Blackheadphone Materials Simulated leatherHeadphones circumauralImpedance 32 ohmsCable length 2.1 mSensitivity 122 dBSensitivity -38 dBsound Output StereoSupplied cables Headset cable - 2.1 mcontrols Volume controlRecommended use ComputerService and support Limited warranty - 5 yearsAvailable microphone YesType BoomType of product Headset - 3.5 mm connectorAdditional features LED backlighting