Poly EncorePro HW510/520 Foam Ear Cushions (2 Pieces), Part# 85Q31AA Charger cable Supports ADTRAN IP 706/712 and

Supports ADTRAN IP 706/712 and certified Polycom phones

Normal-bias tape recommended

Addon msa compliant compatible taa compliant 1000base-zx sfp transceiver (smf

Adaptive power system automatically adjusts to save power

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

Poly EncorePro HW510/520 Foam Ear Cushions (2 Pieces), Part# 85Q31AA Charger cable Supports ADTRAN IP 706/712 andThe 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