User Guide - Blackwire 210M/220M
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...7 Registering Your Product Online Visit plantronics.com/productregistration to installation or use headphones/headsets at plantronics.com/support for technical support including frequently asked questions, compatibility and accessibility information. Package Contents Blackwire C210-M Features Blackwire C220-M Mute/Unmute LED Volume ...Up Volume Down Answer/End WARNING Do not use of time. See plantronics.com/healthandsafety for an extended period of the...
...7 Registering Your Product Online Visit plantronics.com/productregistration to installation or use headphones/headsets at plantronics.com/support for technical support including frequently asked questions, compatibility and accessibility information. Package Contents Blackwire C210-M Features Blackwire C220-M Mute/Unmute LED Volume ...Up Volume Down Answer/End WARNING Do not use of time. See plantronics.com/healthandsafety for an extended period of the...