Smart Temperature Vacuum Flask - 304-grade Stainless Steel, Black | Waterproof Led Display, Ultra Capacity Battery, Double-wall Insulation

SAFE & HEALTHY MATERIAL: The inner wall is made of 304-grade food-grade stainless steel and the outer case is made of high quality 204 stainless steel. It has been approved by the FDA for your drinking needs. Of course, 100% does not contain BPA.

WATERPROOF LED DISPLAY: Waterproof LED display that can be completely submerged in water. Just touch the LED screen and the temperature of the liquid will show on the LED screen. You do not have to test the temperature with your mouth or risk to get burn.

ULTRA CAPACITY BATTERY: Lithium battery with large capacity, the screen turns off automatically when not in use can reach a battery life . Dont need to worry about battery rechange issues daily.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.

WIDE APPLICATIONS: With the state-of-the-art double-wall vacuum technology, this mug is stylish and durable. Whether you are traveling, at home, in the office, or outdoor a the ideal companion. Simple and practical, it is the best Christmas gift for friends, family.