The HU521 from V7 is ideal for Skype and other video chat applications. They feature high quality sound output and a noise -cancelling microphone, perfect for busy environments. The microphone also has a 300� swivel to move out of the way when not in use, and it can be worn on the left or right side. The Headphones have an adjustable headband and memory foam ear pads for all day comfort. The USB powered Headphones also feature a 1.8 meter (70.8") cable that has convenient in-line audio controls. Compatible with most desktop and laptops PCs through a standard USB port.