Smart App-Controlled Stainless Steel Temperature Control Travel Tumbler

3 Hour Battery Life: Our Tumbler's extended battery life keeps your drink at your preferred temperature (between 120°F - 145°F) for up to 3 hours on a full charge or all day on its charging coaster. Beyond Insulation: Feel the warmth of your drink through the Tumbler’s durable stainless steel construction and premium textured finish. Tumbler features all the benefits of insulation with none of the drawbacks. Adventure Ready: Tumbler comes with two lids and is IPX7 rated for full underwater submersion up to 1 meter deep making it easy to hand wash, rinse or soak. Perfect Temperature Every Time: Multiple sensors throughout the Tumbler ensure accurate temperature control and liquid level detection. Set the temperature down to the degree in the App. Our Biggest Mug Yet: At 16 oz this is the largest heated temperature control mug we have released to date.