Poly Blackwire C3225 Headset - Stereo - Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz - 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural -.

Stereo Mini-phone (3.5mm) Wired 32 Ohm 20 Hz 20 k Hz On-ear, Over-the-head Binaural Supra-aural 7.45 ft Cable Noise Cancelling Microphone Noise Canceling Black