USB Mug Warmer
- Portable USB powered Mug heater
- Hot USB Cup warmer with Stainless Steel heat element
- The heating element has a diameter of 3.2 inches
- Keeps your coffee, tea or drink warm (up to 60 degrees Celsius or 140 degrees Fahrenheit)
- No matter how long you're working, or how absorbing computer game - refreshment's always at hand.