The heated Hot Tracks coaster by Just Mustard helps to keep your cup of coffee or tea nice and warm. Knowing that there's little worse than a lukewarm cup of tea or coffe, Just Mustard designed this funky cup warmer. The electrically heated coaster had the design and the structure of a retro LP and can be connected to a USB port. This way, your warm drink is kept nice and warm while it also brings a smile to your face. The coaster is Mac and PC compatible and comes with a 1 meter long USB cable.