Sades SA-709 Stereographic Triangle Wired Professional Game Headphone Gaming Headset Stereo Earphone with Mic Micphone 
Item Description
Technical Parameter: 
Driver Diameter: Φ50mm
Frequency Range: 20Hz-20KHz
Sensitivity: 112dB+3dB
Impedance: 32Ω
Max Input Power: 30mW
Mic Diameter: Φ6.0×5.0mm
Sensitivity: -54dB+3dB
Directivity: Omnidirectional
Mic Inpedance: ≤2.2KΩ
Plug Type: 3.5mm Gold-Plated
Cable Lenght: Appr. 2.2m
Item Pictures
 

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