Features:1.Keep hot and cold for hours: This coffee mug s stainle steel double-walled vacuum with no seams to maximize temperature resistance and prevent heat nsfer to the outer wall, keeping drinks hot for 4 hours/cold for 6 hours. Pour hot or frozen coffee into your coffee vel mug to keep you energized all day long.2:Odorle and ble: Made of high-quality stainle steel inside, it has the advantages of g odorle, non-deformable, ble and reusable.3.Smart display design: This coffee cup is equped with an LCD display. It can display the temperature in the cup. When you want to enjoy a hot drink, you can check the temperature of the drink in advance. So you no longer have to worry about g ed by hot drinks4:Worry-Free maintenance: Keep your drinks neat and tidy with our stainle steel coffee mugs! Cleaning it is easy due to its smooth interior and wide opening. Rinse with warm water and mild detergent and you're ready to .5.Easy to carry: No matter where you go, you can enjoy coffee easily. Suitable for indoor and outdoor such as car, home, party, vel, school, cycling and office hours.Specification:Product name: Intelligent stainle steel double-layer thermos cupMaterial: 316 stainle steel linerCapacity: 420mlPackage include:1x Intelligent Temperature Measurement Stainle Steel Double-layer Water Cup