Poly Blackwire 3310 Monaural USB-C Headset +USB-C/A Adapter 8X215AA Jabra Biz 2400 II QD Duo NC Wideband Headset 2489-820-209 Hearing protection:

Hearing protection:

Blackwire 3200 Series with Plantronics signature audio provides top notch features at a price you can afford

With a convenient charge stand and USB-A compatibility

Your choice of narrow or wideband professional grade audio quality -- choose narrowband to extend talk time or wideband mode to enable clearer conversations

Stay focused while on a call with stereo sound and passive noise isolation with improved ear cushions (4320 models only)

Poly Blackwire 3310 Monaural USB-C Headset +USB-C/A Adapter 8X215AA Jabra Biz 2400 II QD Duo NC Wideband Headset 2489-820-209 Hearing protection:Poly Blackwire 3310 Monaural USB C Headset +USB C A Adapter 8X215AA