Digital USB ensures superior reliability and clarity. Optimized for Windows Live Messenger - Seamlessly integrated with Windows Live Messenger for easy setup and use. Leatherette Ear Pads - Listen and play for hours in total comfort. Flexible Six-Foot Cable - The long, flexible cable gives you more room to move. Built-in Unidirectional Microphone - With 180-degree movement giving the freedom you need. Noise-cancelling Microphone - The noise-cancelling microphone automatically picks up your voice with remarkable clarity. 3 Year Warranty.