![Plantronics Headset for Siemens Optiset E Advance, Optiset Advance Plus, Comfort 300E, Comfort F300E, Optipoint 410 Advance, Optipoint 410 Standard, Optipoint 420 Advance, Optipoint 420 Standard , Optipoint 500 Advance, Optipoint 500 Plantronics Headset for Siemens Optiset E Advance, Optiset Advance Plus, Comfort 300E, Comfort F300E, Optipoint 410 Advance, Optipoint 410 Standard, Optipoint 420 Advance, Optipoint 420 Standard , Optipoint 500 Advance, Optipoint 500](https://sep.yimg.com/ay/founderstelecom/plantronics-bundled-encore-pro-hw710-noise-canceling-headset-with-a10-cord-formerly-polaris-p91n-u10p-5.gif)
Plantronics Headset for Siemens Optiset E Advance, Optiset Advance Plus, Comfort 300E, Comfort F300E, Optipoint 410 Advance, Optipoint 410 Standard, Optipoint 420 Advance, Optipoint 420 Standard , Optipoint 500 Advance, Optipoint 500
![Unify optiPoint phone headset with dual earpieces, noise canceling microphone and quick disconnect cord Unify optiPoint phone headset with dual earpieces, noise canceling microphone and quick disconnect cord](https://cdn3.volusion.com/lqwzh.aqjvy/v/vspfiles/photos/OVHS084-OPT-2.jpg?v-cache=1598227482)
Unify optiPoint phone headset with dual earpieces, noise canceling microphone and quick disconnect cord
![Unify optiPoint phone headset with dual earpieces, noise canceling microphone and quick disconnect cord Unify optiPoint phone headset with dual earpieces, noise canceling microphone and quick disconnect cord](https://cdn3.volusion.com/lqwzh.aqjvy/v/vspfiles/photos/OVHS084-OPT-4.jpg?v-cache=1598227482)
Unify optiPoint phone headset with dual earpieces, noise canceling microphone and quick disconnect cord
![APS-1/APS-10/APS-11 (EHS Cable): How to Install on a Siemens Optipoint Phone | Poly, formerly Plantronics & Polycom APS-1/APS-10/APS-11 (EHS Cable): How to Install on a Siemens Optipoint Phone | Poly, formerly Plantronics & Polycom](https://media-kb.poly.com/ProductionFiles/aps-1_aps-10_siemens_optipoint_setup.jpg)