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, and soon GXP series IP phones) 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 Grandstream's IPVideoTalk Meetings and Wave app