A4TECH sluchátka s mikrofonem HS-28 orange

A4-HS-28-3 ComfortFit Stereo Headset, orange Features Earphone Hook Included: Convenient and practical for you to hang your headset up when you do not use it The ear cushion is removable for washing to prevent the bacterial infection Noise-canceling Microphone: Deliver clear and crisp sound 3.5mm Eaphone Plug to be Connected with your Computer Specifications Frequency Response: 20Hz~20KHz Nominal Impedance: 32ohms Microphone Sensitivity: -58DB Sensitivity: 105dB±3dB (at 1000Hz ) Speaker Diameter: F40mm Earphone / Microphone Plug: 3.5mm Stereo