-Model: X7 PRO -Speaker diameter: 50mm -Impedance: 32ohm±15% -Sensitivity: 117dB±3dB -Frequency: 20-20000Hz -Mic sensitivity: -38dB +/- 3dB -Mic impedance: 2.2kohm -Directivity: Omni-directional -LED working voltage: DC5V +/- 5% -Working current: Below 100mA -Headset interface: USB (plug the USB connector, LED light is on, unplug for off) + 3.5mm stereo audio and mic plug)
