DECLARATION OF CONFORMITY We Plantronics, 345 Encinal Street, Santa Cruz, CA, 95060, United States, (800) 789-4971 declare under our sole responsibility that the product Blackwire C610 and Blackwire C620. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation.