- 300 Series
More headset for your UC dollar. Enter UC with the best-featured headset you never thought your budget could afford. Blackwire 300 series USB headsets are a simple-to-use, comfortable, and durable choice for conference calls, web-based training, and PC multimedia applications. Plus, they're priced right, easy to deploy, and offer a simple-to-upgrade UC solution that IT can roll out easily and rely on.