Plantronics HW520-YEA EncorePro is a Yealink VoIP phone certified binaural headset.  Engineered for the Yealink IP phones:

Compatible with:

Yealink SIP-T19P, SIP-T20P, SIP-T21P, SIP-T22P, SIP-T23P, SIP-T23G, SIP-T26P, SIP-T27P, SIP-T28P, SIP-T29G, SIP-T32G, SIP-T38G, SIP-T40P, SIP-T40G, SIP-T41P, SIP-T41S, SIP-T42G, SIP-T42S, SIP-T46G, T46S, SIP-T48G, SIP-T48S SIP-T49G, SIP-T52S,SIP-T54S, SIP-T55A, SIP-T56A, SIP-T58A, SIP-T58V

Plantronics HW520-YEA has wideband audio and a Noise Canceling microphone - for blockikng unwanted office noise. Designed with an over-the-head headband  with a flexible microphone with high fidelity sound.. 

Key Features

• Includes Yealink certified RJ9 -10ft adapter cable - connects directly to the "headset" jack of your Yealink phone.

• binaural headset

• quick disconnect cable

• Wideband Audio for Yealink VoIP phones

• Telecoil hearing aid compatible

• Noise-canceling microphone to block out backgorund noise

• Lightweight design enhances user experience

• Flexible boom for personal positioning

• Two year warranty

For more detail information see Plantronics HW520 datasheet

Optional Plantronics HW520-YEA parts & Accessories:

Plantronics EncorePro Headband Support Pad

Plantronics HW510, HW520 Foam Ear Cushions (qty 2)

Plantronics HW510, HW520 Leatherette Ear Cushions (qty 2)

Plantronics HW520 Circumnaural Leather Ear Cushions