Dual 12V & USB Stainless Steel 16oz Heated Travel Mug (Blue) Dual 12V &amp; USB Stainless Steel 16-ounce Heated Travel Mug General Features: Metallic Blue and stainless steel profile Stainless steel construction Capacity: 16-ounce USB or 12Vauto operation Maintains the heat level of your drink Power Source: 12V DC Current Draw: 1 Amp Fused Plug: 2 Amps