Nordic Neuro Lab Headphones used with Siemens MRI systemsHeadphones (HP)Catalogue Numbers: HP-1.3-20169-685 to HP-1.3-2016-693 Serial Numbers: 150694 to 150701Headphones Slim (HPS)Catalogue Numbers: HPS-1.0-2015-001 to HPS-1.0-2016-051Serial Numbers: 160052 to 160074ARTG Number: 186703