- HD Audio for crystal clear and easy communication- Noise canceling technology to minimize background noise- USB 2.0 connection provides flexibility to support any device with USB compatibility, including laptops, desktop computers and Grandstream IP Phones (GRP series IP phones, GXV series IP Video Phones)- A busy light to indicate a call in-progress- Adjustable leather headband for all day comfort; left or right wearing style- In-line controls offer quick and easy control of volume and mute- Compatible with all major third-party communication platforms, applications and softphones as well as Grandstreamrs IPVideoTalk Meetings and Wave app