Specifications:

Speaker diameter: 40mm
Impedance: 32Ohm
Sensitivity: 108dB +/- 3dB
Frequency range: 20-20KHz
Mic dimension: 6.0 5.0mm
Mic sensitivity: -38dB +/- 3dB
Mic impedance: 2.2kohm
Directivity: Omnidirectional
LED working voltage: DC5V +/- 5%
current: Below 100mA
Headset interface: 3.5mm Stereo+ USB
Cable length: Approx. 2m
Color: Black&Blue, White&Blue

Package include:
1x Headset