Brand: HP H120 2-Jack Wired Gaming Headset for PC Details of the HP Model H120 in Black 50mm Headphone Driver Unit Frequency Response of Headphones: 20–20 KHz 32 ohm is the headphone input impedance. Connector 2-Jack Cord Weight: approximately 268g; Length: 2.0m; Cable not included Impedance of the microphone: ~2.2K ohm Sensitivity of microphone: -38+/-3dB Features Dimensions: 188 x 208 x 103 mm