Built-in Battery: 6 oz Ember Cup keeps your drink hot up to 90 minutes on a full charge or all day on the included charging coaster
Control with Smartphone App: Set temperature and save presets, personalize mug with an LED color, receive notifications, built-in steep timer, and more
Auto Sleep: Intelligently senses when to turn on/off. Automatically enters sleep mode when empty or after 2 hours of inactivity. Wakes up when it senses movement or liquid
Easy to Clean: Updated scratch-resistant coating is safe to hand wash and rated IPX7 for full submersion up to 1 meter deep
Perfect Gift: Gift to others or yourself; this is the perfect gift that is sure to surprise and delight