This mug is designed with a built-in, rechargeable battery and an LED light that indicates when your drink has reached a perfect temperature.
Promising review: “I love my Ember mug. Previously, I was reheating my coffee several times in the mornings, and now it stays warm all morning! It makes my life so much easier and mornings more enjoyable!” —Target Reviewer
Price: $129.99 (available in two colors)

