Specification:

Driver diameter: 50mm
Impedance: 20 Ohm
Sensitivity: 117dB +/- 3dB
Frequency range: 20-20KHz
Mic dimension: 6.0 * 2.7 mm
Mic sensitivity: -34dB +/- 3dB
Mic impedance: 2.2k ohm
Directivity: Omnidirectional
Working current: Below 100mA
Headset interface: USB (plug the USB connector, LED light is on, unplug, it off) + 3.5mm stere

Package included:

1x ONIKUMA K1-B Gaming Headphone
1x Cable