Never have to endure cold coffee or tea again with the Dadaism J Cup Warmer with Charging Function. This device ensures that your beverage on the cup warmer side maintains an optimal drinking temperature by warming the mug from underneath. And the small digital display shows the current temperature to keep you in the loop. It’s the ideal gadget if you often forget about your drink and it then turns cold. Furthermore, the Cup Warmer with Charging Function also features a useful USB slot. So you can charge smartphones, smartwatches, and other devices while you wait for your drink to heat up. Overall, its two-in-one design makes this ideal for technophiles, and it’s also available in three colors: yellow, white, and green.