General Information
Manufacturer:   Plantronics, Inc
Manufacturer Part Number:   85619-101
Manufacturer Website Address:   www.plantronics.com 
Brand Name:   Plantronics
Product Line:   Blackwire
Product Series:   300
Product Model:   C320-M
Product Name:   Blackwire C320-M Headset
Marketing Information:  
Corded reliability that's ready when you are
Meet the Blackwire 310/320 corded USB headsets designed for companies just starting out with Unified Communications. The headsets easily and intuitively juggles PC calls and multi-media using audio alerts to manage connection, mute and volume status. Easy to use, the Blackwire 310/320 offers premiumhi-fi stereo audio (C320) and all-day comfort.
Superior Audio Quality
Offering PC wideband, noise-canceling microphone and hi-fi stereo sound (C320/325), the Blackwire 310/320 provides a truly outstanding audio experience - making it ideal for voice, music and multi-media. The Dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the EQ settings when you're listening to music or multi-media.
Software-enabled Functionality
With Plantronics Spokes software get the added value of:
Call control across multiple softphones
Battery meter conveniently displays headset battery life remaining in PC icon tray
Headset control panel allows for customization of settings, including call notification and related options
UC presence automatically updated when on a PC call

Packaged Quantity:   1
Product Type:   Headset
Technical Information
Connectivity Technology:   Wired
Sound Mode:   Stereo
Minimum Frequency Response:   20 Hz
Maximum Frequency Response:   20 kHz
Earpiece
Earpiece Design:   Over-the-head
Earpiece Type:   Binaural
Microphone
Microphone Design:   Boom
Interfaces/Ports
Host Interface:   USB
Physical Characteristics
Color:   Gray
Form Factor:   Supra-aural