*Sensitivity: -50dB±4dB
*Frequency Response: 100Hz-16KHz
*Directivity: Noise canceling
*Impedance: ≤2.2KΩ
*Sensitivity reduction: Within -3dB at 1.5V
*Operation voltage: 4.5V
*Standard operation voltage: 1.5V
*SNR: >67dB
*Cord length: 1.5M
*Plug type:USB 2.0