The smart thermos cup has an LCD temperature display. Touch the lid of the cup to display the current water temperature. The stainless steel vacuum flask has a characteristic double wall to achieve high performance insulation, keeping the liquid hot or cold for 6 to 12 hours. The BPA-free silicone rubber on the lid ensures no leakage and no plastic smell. The insulated water bottle is very suitable for daily use, running, hiking, camping, etc. Custom LOGO is available.