Poly CS510/510-XD/WH300-XD 900 MHz Top Poly CS510/510-XD/WH300-XD 900 MHz Top (Poly 89547-01 or HP 85T23AA#ABA) Wireless Headsets Extend your H-series headset cable

Extend your H-series headset cable for greater mobility with this lightweight cord

featuring AI noise cancellation

the headset has an extensive wireless range

Compatible with 311DP

Music Experience with 28mm speakers

Poly CS510/510-XD/WH300-XD 900 MHz Top Poly CS510/510-XD/WH300-XD 900 MHz Top (Poly 89547-01 or HP 85T23AA#ABA) Wireless Headsets Extend your H-series headset cablePoly CS510 XD Spare Headset Poly 89547 01 or HP 85T23AA#ABA Poly CS510 XD Spare Headset part # Poly 89547 01 or HP 85T23AA#ABA is a replacement headset for the CS510 XD wireless system. This is the headset only with no other items included. Poly refers to this package as WH300 XD. Simply place your replacement headset into the dock charger and it will automatically pair.