*DISCONTINUED* by Plantronics.  See other USB Headsets

Plantronics C435/435 Blackwire UC Standard Headset is the first headset designed for Unified Communications that’s as discreet as it is professionally sound. Providing a choice of mono or stereo audio options and wearing styles, a durable protective carrying case and the superior audio quality you’ve come to expect from Plantronics — the new Blackwire 435 has the perfect balance of style, sound and flexibility.

Key Features:

• Answer/end/mute controls simplify call management while inline indicator lights show call or mute status
• Noise-canceling microphone reduces background noise
• Wideband delivers heightened speech clarity, providing the best possible PC audio quality
• A dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the EQ settings when you’re listening to music or want high quality sound for multi-media playback
• Enhanced Digital Signal Processing (DSP) provides more natural sounding voice
• One year limited warranty

For more detail informaiton, see Plantronics Blackwire 435/C435 datasheet