Auricular neurostimulation is a potential novel and non-invasive method of pain control following liver transplantation in a growing patient population with the probability of significant impact on economics and morbidity. The investigator propose a pilot study to investigate the effects of auricular neurostimulation in patients receiving a liver transplantation. The investigator will investigate the effects of auricular neurostimulation with this novel device and compare it to the current standard of care for pain management following liver transplantation.