The Blackwire 300 Series corded USB headsets with Smart Sensor technology intuitively help you manage PC calls simply put the headset on to answer a call and you'll hear every word thanks to its premium wideband audio quality. And with ultra-soft leatherette ear cushions and a lightweight headband you'll enjoy all-day comfort and a secure fit. When work takes you on-the-go simply fold the ear cushions flat and store in the included carrying case. Durable and portable the Blackwire 300 Series offers all-day comfort for juggling PC calls and multi-media providing corded reliability that's ready when you are.