Features： 1、Heat for 10 minutes to boiling water up to 100 ℃. One‑button opening, convenient to use, helpful to driving safety. 2、With dual functions of heating and keeping warm. The kit includes a car adapter to heat water. Small size, easy to carry. 3、400ml large capacity, completely meet your needs. Good heat insulation effect, effectively prevents scalding. 4、Stainless steel cup lid with small holes for heat dissipation and straw holes for easier drinking, and food‑grade silicone seals to prevent leakage. 5、Use stainless steel inner tank, antirust and corrosion resistant, easy to clean, sanitary and healthy. Specification： Item Type: Electric Cup Material: Stainless Steel 304 + Polypropylene Color: Black + Silver Power: 50W Capacity: 400ML Size: Approx. 7.3 x 21.1cm/2.9 x 8.3in Package List： 1 x Electric Heating Cup  1 x Heater  1 x Cleaning Cloth 2 x Spare Fuse