Smart Insulation Cup Water Bottle Led

Description
Display Temperature & Waterproof LED Display: Stylish mirror, LED touch screen to easily know the inside temperature of the travel mug.
LEAKPROOF COFFEE TRAVEL MUG & KEEPS HOT OR COLD: Excellent leak proof and keeps hot above 42°C for up to 6 hours and cool below 10°C for up to 5 hours. It is longer than other vacuum bottles. (After 24 hours in 100°C water, the temperature is maintained at approximately 40°C).
Large capacity battery: large capacity lithium battery, automatic screen off when not in use, 2 years battery life.