The USB-ED 01 is a Sennheiser sound card cable which allows you to connect a Sennheiser Easy Disconnect headset to a PC.<br>The cable contains a standard mono sound card and it works with any wired Easy Disconnect headset from Sennheiser and with any PC via the USB connection.<br>The USB-ED 01 ensures easy connectivity when using softphones for managing calls.<br><br>Benefi ts and Features:<br>- Connect the Sennheiser Easy Disconnect headset to a PC via the USB port<br>- Connect the headset to your softphone and manage calls<br>- Change between different Sennheiser Easy Disconnect headsets<br>- A blue LED lights up the cable to signal when it’s ready for use.