Ultrasone Signature Pro Headset is a very high spec headset that one can easily travel with, yet it enables one to enjoy studio level sound that is only limited by their playback device or file compression. It also has removable cables with B-lock connections that allow users to switch cable lengths and connection plugs. It has electromagnetic shielding as well as Ultrasone S-Logic patented surround technology with 40mm titanium plated drivers.