Слушалки A4 Tech HS-28-3 Stereo Headset

A4 HS-28-3

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