This is the Totes Heated Auto Mug. This mug can be heated with your car's light jack/12v dc plug or you can use the usb cord and plug it into your PC or Laptop. This mug features a Splash-Proof Lid, locking sipper lid keeps drinks hot while preventing messy spills and splashes. This 14oz insulated stainless steel mug features an inner thermostat to maintain your drink's temperature. Also, it features a no-slip base, it's tapered base fits most standard auto cup holders.