Blackwire 400 Product Sheet
Page 2
...more information about the Blackwire 420 Series or other countries or both. 04/12 USB connection Optimized for use Innovative, user-friendly design • Adjustable headband for customized fit • Call controls at plantronics.com *Download the latest release of Plantronics Spokes™ software to PC via ...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...
...more information about the Blackwire 420 Series or other countries or both. 04/12 USB connection Optimized for use Innovative, user-friendly design • Adjustable headband for customized fit • Call controls at plantronics.com *Download the latest release of Plantronics Spokes™ software to PC via ...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...