- USB-C B600-C adapter included - Active noise cancelling technology on the speakers blocking out unwanted background noise so you can focus - UC standard version compatible with softphones from Avaya Cisco IBM Skype and more - Wireless stereo headset across multiple applications on Bluetooth-enabled desk phones laptops cell phones - Up to 12 hours talk time; 15 hours of music streaming when fully charged - Long Range Bluetooth - up to 150 feet of wireless range when BT600-C adapter is used. - Smart sensors know when the headset is on or off - Easy controls to answer/end calls control volume and mute; track forward/back for music playback - Caller name announcement informs you who is calling; no need to look at your mobile phone - Smart microphone boom: wear boom on either side and maintain R/L stereo performance and locations of volume/track buttons - Online busy indicator - Charge headset in an elegant desktop stand (included) - Open microphone button allows you to hear your surroundings when you need to Enhanced digital signal processing (DSP) provides more natural sound - Wideband audio with noise canceling - Leatherette ear cushions wrapped around pillow-soft memory foam - Easily take the headset on the go with folding ear cushions and included carrying case