Poly (Plantronics) 3320 Blackwire Stereo USB-A headset is a sleek USB-A headset for your PC or Mac.  Compatible with all major PC softphones from Avaya, Cisco, Microsoft and many more. Poly Blackwire 3320 series is the perfect headset for large office VoIP headset deployment. 

Key Features:

• Stereo over the head USB headset 
• Soft foam ear cushions
• Adjustable 180-degrees speakers
• Flexible, bendable boom arm
• Telecoil Hearing Aid Compatible (HAC) 
• Apple Mac OS and Microsoft Windows compatible
• HD wideband audio quality
• Noise-canceling microphone
• Comfortable for all day use

Old Poly part # 213934-101

New HP part # 76J16AA

For more detail information, see Plantronics Blackwire 3320 datasheet

Blackwire Accessories:

Plantronics Blackwire Travel Case