Keep your coffee at your favorite temperature with the Coomug Qi Wireless Smart Coffee Mug. Compatible with the Qi Wireless Charging Pad, Coomug is a temperature control smart coffee mug. Coomug offers fully automatic temperature control and display. It lets you know when it is at the ideal temperature through the LED indicator and even provides high-temperature warnings. Simply fill up the Coomug with your beverage and put it onto the Qi Cooster to keep it at your ideal temperature. Likewise, you can set the Coomug on any Qi Wireless Charging Pad to do the trick. In addition, the Qi Cooster is compatible with many different smartphones including iPhone and Samsung devices. Completely waterproof, you can wash Coomug like any other mug and even put it in the dishwasher.