POLY ENCOREPRO EP320, MONAURAL USB-A CORDED HEADSET,WITH INLINE CONTROL PROMO EXP 30JUN20 Plantronics Sale! from 13929 /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. EncorePro 320, EP320 USB-A, WW Qty available: 5 SKU: 214570-01 Tweet