So you are looking for a travel coffee mug that can keep your drink at the right temperature? The Ember Heated Travel Coffee Mug v2 has you covered. It has a gorgeous touchscreen display and simple controls. You can adjust the temperature from 120F to 145F.
The battery lasts for 3 hours on a full charge. The mug is IPX7 rated and submersible to 1 meter. Costs under $180 at this time.