With a tough interchangeable sound tube the gn 2000 is the toughest ip call centre headset yet the headband39s plasticrubber composite provides a slip free grip it offers full acoustic shock protection and is future proof to deliver optimal voip application use it is also compatible with standard desk telephones in addition its interchangeable sound tube boom ensures hygienic long term use and the single earpiece means you can take a call but still be aware of what39s going on ar