Double-sided, ultra noise-cancelling Headsets with open-ended 1.8 m cable, which enables custom plug configurations. EPOS Voice™ technology ensures excellent communication with an ultra noise-cancelling microphone.Double-sided, ultra noise-cancelling Headsets with open-ended 1.8 m cable, which enables custom plug configurations. EPOS Voice™ technology ensures excellent communication with an ultra noise-Double-sided, ultra noise-cancelling Headsets with open-ended 1.8 m cable, which enables custom plug configurations. EPOS Voice™ technology ensures excellent communication with an ultra noise-cancelling microphone.cancelling microphone.