Poly EncorePro HW510/520 Foam Ear Cushions (2 Pieces), Part# 85Q31AA Charger cable Superior dynamic range using newly

Superior dynamic range using newly developed View-DR (visibility enhanced wide dynamic range)

Apc rbc123 replacement battery cartridge #123

4K@60Hz that supports: resolution up to 3840x2160 (4K@60Hz)

Adaptive power system automatically adjusts to save power

31” (W) x 16

Poly EncorePro HW510/520 Foam Ear Cushions (2 Pieces), Part# 85Q31AA Charger cable Superior dynamic range using newlyThe durable Poly 85Q31AA EncorePro HW510 520 Foam Ear Cushions (2 Pieces) is designed for HW510 & HW520 Headsets. With the pair of Foam Ear Cushions for HW510 HW520 Headset from Plantronics to have spare ear cushions to replace the ear cushions included with the headset. NEW IN THE BOX