PLANTRONICS BLACKWIRE C5220 UC STEREO USB-A & 3.5MM CORDED HEADSET PROMO EXP 30JUN20 Plantronics Sale! from 17026 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. BLACKWIRE 5220,C5220,USB-A,WW Qty available: 5 SKU: 207576-01 Tweet