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Blackwire 420 Support
Stereo USB Headset

Specifications

Connects to	PC via USB
Compatibility with	Windows® or Mac® OS
Ideal for	Users requiring a portable headset for use with PC audio, video, webinars, conference calls, live PC presentations with desktop sharing, music, etc.
Audio performance	Dynamic EQ, microphone frequency response 100 Hz–8 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-canceling microphone
Hearing protection	SoundGuard®: Acoustic limiting for protection against sounds above 118 dBa
Limited warranty	2 years
Models	C420 : UC Standard version built for UC applications and softphones from Avaya®, Cisco®, IBM®, Skype®, and more* C420-M : Optimized for Microsoft® Lync ™ 2010 and Microsoft® OCS 2007

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