Poly Blackwire 3225 Stereo USBPoly Blackwire 3225 Stereo USB A Headset TAA (Bulk) Stereo Mini phone (3. 5mm), USB Type A Wired 32 Ohm Over the head, On ear Binaural Supra aural 7. 4 ft (2. 27 m) Cable Noise Cancelling, Omni directional Microphone Noise Canceling Black VPN: 8M3Y5A6#ABA SKU: AC600780 UPC: Loading The 3225 headset provides plenty of freedom with wired connectivity These supra aural Blackwire give you the comfort of portability Listen to distinct sounds from both the