Meet Zippo’s HeatBank 9s Gaming Hand Warmer: a nifty gadget that keeps your hand warm for up to 9 hours. It can reach temperatures up to 120F. The HeatBank 9s has 6 levels of heat intensity. It doubles as a power bank to charge your headsets, phones, game controllers, and everything in between.
This hand warmer has a curved ergonomic design. It runs on a 5200mAh rechargeable battery. More information is available here.