SMART Tumbler will keep it warm or cold precisely there ALL DAY! You no longer have to worry about rushing through your cup of coffee or using the microwave to heat it back up. SMART Tumbler design is modular. That means that the battery and heating element are removable for easy cleaning.
[Smart Digital Design] - With HD LCD touch screen for prompt real-time water temperature display. Let you drink the water that is most suitable for temperature anytime, anywhere.
[Insulation Material] - Made of 304 stainless steel, double layer vacuum design, safe, BPA-free and eco-friendly, no smell and easy to clean. It can keep hot or cold water for 12 hours.
[Portable Size] - The capacity of this smart mug is 420ml/14oz, and it is portable and durable. Ideal for travel, outdoor activities, car, office, home, school, picnic, hot yoga, hiking, camping etc.
[Multipurpose] - This vacuum flask water bottle is also a good container for coffee, Juicer, milk, beer, drinks and daily hydration. Best Gift for family and friends.