Product Descrption:
Poly Blackwire 3320-M USB-A Wired On Ear Headphones with Mic (Black)214012-01 / New Part Code  76J17AA
Easy Connection: Connects to PC or Mac via USB-A.
Perfect for Voice Calls: Ideal for transitioning to a PC for telephony, webinars, conference calls, and other applications.
Sound Protection: Features SoundGuard, which limits sounds above 118 dBA for hearing protection.
Crystal Clear Audio: Delivers clear, natural, and rich audio with wideband audio, noise-canceling microphone, and enhanced DSP.