A4tech FH150U

Headset A4tech FH150U, 40mm driver, 20-20kHz, 32 Ohm, 98db, 150g, In-Line Controls, Noise Canceling Mi, Leather Ear Pads, 2.0m, USB, Black. A4Tech/Fstyler USB HeadphoneΦ40 mm High Performance Driver UnitLeather Padded Adjustable HeadbandOn-Ear Soft Leather Ear PadsFlexible Rotation MicrophoneSingle-Directional Noise Canceling Mic.In-Line Convenient Controller:Mic. Mute, Volume +/-, Previous/Next Track, Speaker MuteConvex Anti-Mistouch Volume Control Button150g Lightweight Design200 cm USB Braided CableBest for Call Center, School, Business, Conference, etc.Frequency Response: 20 Hz - 20 KHzSensitivity: 98 dBImpedance: 32 ohmMicrophone:Frequency Response: 100 Hz - 10 KHz Sensitivity: -42 dBCable Length: 200 cmPlug: USBColor: Black