Getting a mug warmer in your office is a good idea if you don’t drink your coffee or tea right away and would like it to stay warm. USB mug warmers are especially useful as they let you keep your coffee / tea warm using a USB port. These 3 USB mug warmers are cheap and keep your drink warm:
Mr. Coffee MWBLK Mug Warmer: keeps your favorite mug of coffee and tea. You can turn these on and off.
Norpro 5569 Decorative Cup Warmer: this has a non-stick heating element and a neon light indicator.
Gino Useful USB Mug Cup Coffee Warmer: this coffee warmer heats and keeps beverages warm at over 60 degrees. You just have to connect it to your computer. It has a built-in clock that displays time, week, and the temperature of the heating pad.
The above cup warmers are affordable and only need a USB connection to work. They are portable too. What’s not to like?