Ember Temperature Control Smart Mug 2, 10 Oz, App-Controlled Heated Coffee Mug with 80 Min Battery Life and Improved Design, Stainless Steel Smart Mug Smart Mug Smart Mug click About this item Ember Coffee Mug with Longer Lasting Battery: Our updated smart coffee mug's extended battery life keeps your drink at your preferred temperature (between 120°F - 145°F) for up to 80 minutes on a full charge or all day on its redesigned charging coaster Smart With or Without App: Pair this temperature control mug with the Ember app to set the temperature, customize presets and more; Our self-heating coffee mug is also functional without the app and remembers your last-used temperature (135°F out of box) Auto Sleep: Our heated coffee mug intelligently senses when to turn on and off; The mug enters sleep mode when empty or after 2 hours of inactivity; Ember wakes up when it senses movement or liquid Hand Wash Only: An updated scratch-resistant coating is safe to hand wash; Ember Mug 2 is IPX7 r...