Poly EncorePro EP525 USB stereo computer USB-A and USB-C (both included) headset compatible with all major softphones (Avaya Cisco, Microsoft Skype for Business, etc). Poly EP525 USB offers super clean audio, very comfortable wearing style and a full 2 year Plantronics warranty.

Key Features:

• Stereo headset
• Both USB-A and USB-C compatible
• Telecoil Hearing Aid Compatible (HAC) 
• Foam ear cushions
• Inline controls on the cable to allow answer/end, mute, and volume adjustments
• HD Sound providing natural voice 
• Noise-canceling microphone to reduce background noise
• Engineered for heavy call center environments
• 2 year warranty

Old Poly part # 218274-01

New HP part # 783R3AA

For more detail information, see Poly Encorepro EP525 datasheet