Plantronics Blackwire 3325 BW3325 USB-A with 3.5mm jack Binaural Computer NC Headset P/N 213938-01
Poly (Plantronics) 3325 Blackwire USB-A Stereo headset for Windows or Apple Mac. Poly Blackwire 3325 soft leatherette ear cushions. Dynamic EQ for perfect sound level. Compatible with all major UC sofphones from Cisco, Avaya, IBM, etc. Poly Blackiwre 3325 also includes a 3.5mm adapter compatible with many smart devices or cell phone.