LED Screen Design - This thermos cup have waterproof capacities full screen touch LED screen, More sensitive to touch, easily understand the inside temperature of the liquid. You do not have to pass your mouth to test the temperature and avoid burns. Invert the cup and contact the water with the lid, it can test the temperature more accurately. There is no water, the display of the smart mug shows the weather temperature at that time. Ultra-Capacity Battery - This smart water bottle flasks cup has a large capacity button battery that can be used 50,000+ times and no need to charge. LED touch screen of vacuum cup flasks will automatically turn off in 3-4 seconds, low energy consumption, and reach 1800 days of battery life. Non Spill Lid Cap Design - The portable stainless steel water bottle with vacuum-seal cap provides a good seal and ensures no water leakage. Each drinking bottle is completely leak proof with an easy to open twist-on cap. No matter the temperature of the liquid in this bottle, insulated water bottle will never sweat or be hot to the touch. Safer and healthier than plastic or glasses. Keep Heat and Cold - This travel thermos coffee mug has insulation and cold preservation. When the room temperature is 20‚ After 24 hours at about 100 water, the temperature is maintained at about 40‚. And after 24 hours at about 0‚ water, the temperature is maintained at about 16‚ A functional drink ware option for both winter and summer. Safety & Healthy - vacuum flask leak proof 500ml high performance vacuum bottle is made of 304 food grade stainless steel and the outer casing is made of high quality 201 stainless steel. Corrosion resistant, safe and healthy. It can keep you healthily hydrated, whether you are traveling, at home, in the office or outdoors. Simple and practical, it is the best Birthday Christmas gift for friends, family, children, sons and daughters.
