HP Poly EP HW710 Sehs +cc

Poly EncorePro 510 with Quick Disconnect Monoaural Headset-US

HP Part# 783Q1AA#ABA

Headset/Earsets – TAA Compliant – Headset - Over-the-head - On-ear - Monaural - 0.22" Driver Size - 20 Hz Minimum Frequency Response - 10 kHz Maximum Frequency Response - Boom - EncorePro 500 - Black - Wired - Supra-aural - Mono - ...

Poly EncorePro 510V Voice Tube Microphone with Quick Disconnect Monoaural Headset

HP Part# 783Q3AA#ABA

Headset/Earsets – TAA Compliant – Headset - Over-the-head - On-ear - Monaural - 0.22" Driver Size - 20 Hz Minimum Frequency Response - 10 kHz Maximum Frequency Response - Boom - EncorePro 500 - Black - Wired - Supra-aural - Mono - ...

Poly EncorePro 530 with Quick Disconnect Discreet Headset-US

HP Part# 783P2AA#ABA

Headphones/Earphones – Headset - On-ear - Monaural - 0.28" Driver Size - 20 Hz Minimum Frequency Response - 16 kHz Maximum Frequency Response - Boom - EncorePro HW500 - Black - Black - Wired - Ear-cup - Mono - Mini-phone (3. ...