Feature: 1. Safe Materials: The portable milk warmer is made from food grade stainless steel, ABS, rubber, and glass. These materials ensure resistant to erosion and high temperatures, providing a safe warming experience for your beverages. 2. Efficient Temperature Control: With a temperature range of 37℃ to 55℃, this portable electric bottle offers rapid defrosting and heating. Additionally, it features a thermal preservation function, which maintains the milk's desired temperature for extended periods, ensuring lasting warmth. 3. Cordless and Portable: Designed with portability in mind, the insulated water bottle supports cordless heating and can be conveniently charged via USB. It's ideal for on the go usage, eliminating worries about power outlet availability. 4. Long Lasting Battery Life: Equipped with a 10000mAh battery, this milk warmer boasts long battery life and can be used for extended periods. Its convenient design makes it an ideal choice for users who need reliability wherever they are. 5. Compact and Versatile Capacity: Featuring a 350ML capacity, this lightweight and portable milk warmer cup is excellent for use at home, in the office, during travel, and even in your car. Specification: Item Type: Portable Milk Warmer Material: Stainless Steel, ABS, Rubber, Glass Battery Type: Li Ion Battery (Shipped with Built in Battery) Battery Capacity: 10000mah Capacity: 350ML Temperature Range: 37℃ to 55℃. Package List: 1 x Portable Milk Warmer 1 x Charging Cable 1 x User Manual 1 x Storage Bag