<p><b>Specifications:</b></p> <p>Model:GH-1 </p> <p>Driver diameter: 50mm </p> <p>Impedance: 16Ohm±15％ </p> <p>Sensitivity:115+3DB </p> <p>Frequency range: 20Hz-20KHz </p> <p>Mic dimension:4.0 *1.5mm </p> <p>Mic sensitivity: -42dB +/- 3dB </p> <p>Mic impedance: 2.2kohm </p> <p>Directivity: All directional </p> <p>Cable length: Approx. 2.1m±0.15 </p> <p>LED working voltage: DC5V +/- 5% </p> <p>Working current: Below 50mA. </p> <p>Headset interface: 3.5mm(4pin) + USB (USB for LED light) </p> <p><br></p> <p><b>Color: Black-red, Black-blue，Black-geen </b></p> <p>Headphone size: Approx. 220*210*98mm/ 8.7*8.3*3.9in </p> <p>Headphone weight: 350g / 0.77Lbs </p> <p>Package size: 205*210*100mm/ 8.1*8.3*3.9in </p> <p>Package weight: 500g / 1.1Lbs </p> <p><br></p> <p><b>Package content:</b></p> <p>1 *BUTFULAKE GH-1 </p>