Thermosflasche, 500 ml Wasserflasche, vakuumisolierter Becher, Edelstahl 304, LED-Touchscreen-Temperaturanzeige, intelligenter Becher, luftdichte Flasche, ideal für heiße und kalte Getränke

【Waterproof LED Display】: The waterproof LED indicator can be fully submerged in water. Stylish mirrored display; you can easily check the liquid temperature by touching the LED screen. You do not need to use your mouth to test the temperature, thus preventing burns. Thanks to the 360-degree rotation, you do not have to worry about leakage; the seal is good. 【Keeps warm or cold for a long time】: The vacuum inside the bottle blocks heat transfer. Our products keep liquids warm above 42°C for up to 6 hours and cool below 10°C for up to 5 hours. This is longer than other thermos bottles. (After 24 hours with 100°C water, the temperature reaches approximately 40°C). 【Safe, Healthy, and Portable】: The 500ml high-performance vacuum flask is made of food-grade 304 stainless steel, and the outer casing consists of high-grade 201 stainless steel. Tough, corrosion-resistant, safe, and healthy. It is FDA approved for your drinking needs. Naturally, it is 100% BPA-free. 【Usage】: Thanks to the application of advanced double-walled vacuum technology, this cup is stylish and durable. Whether you are on the go, at home, in the office, or outdoors, it is the ideal companion. Simple and practical, it is the best Christmas gift for friends, family, children, son, and daughter.