GT302_S9A
> Speaker: Φ50mm
> Impedance: 32Ω±15%
> Frequency Response: 20Hz-20 kHz
> Cable Length: 2M±0.1M
> Rated power: 10mw
> Maximum input power: 20mw
> Plug type: USB (Scheme sss1629)
> Mic dimension: Φ6.0*5.0mm
> Directivity: noise canceling
> Sensitivity: -40DB±2DB