1Long Lasting Battery: Equipped with a 15000mAh high capacity battery, this portable smart thermal insulation cup provides long lasting usage. 2350ml Large Capacity: With a generous 350ml capacity, this stainless steel thermal bottle allows for ample liquid storage. 3Stainless Steel Materials: Water bottle is made of 304 stainless steel both inside and outside, ensuring durability and peace of mind. 4Intelligent Touch Digital Display: The smart touch display enables you to check the temperature and battery level at any time. 5Convenient: The cup lid comes with a silicone strap for easy portability on the go. Perfect for outdoor hot beverages and as a reliable bottle for keeping milk at the optimal temperature.