Plantronics BLACKWIRE C320-M Corded Headset

 Specifications:

• OPTIMIZED FOR UNIFIED COMMUNICATIONS
• Connects to PC via USB
• Compatible with Windows® or Mac® OS
• Ideal for Users transitioning to PC telephony for webinars, conference calls, music, and other multimedia applications
• Audio performance - Dynamic EQ, microphone frequency response 100 Hz–10 kHz optimal for wideband voice telephony (up to 6,800 Hz), hi-fi stereo output from 20 Hz–20 kHz, enhanced digital signal processing (DSP), noise-cancelling microphone
• Hearing protection - SoundGuard: Acoustic limiting for protection against sounds above 118 dBA
• Limited warranty - 2 years
• Version optimized for Microsoft® Lync® 2010, and Microsoft® OCS 2007