Product Description:
Driver diameter: 40mmImpedance: 32OhmSensitivity: 105dB +/- 3dB at 1KHzFrequency range: 15Hz-20KHzMic dimension: 6.0 * 5.0mmMic sensitivity: -38dB +/- 3dBMic impedance: 2.2kohmLED working voltage: DC5V +/- 5%Headset interface: 3.5mm + USB (USB for LED light)Cable length: Approx. 2.2m / 7.22ft