Features: Portable design: 350ml capacity, rechargeable constant temperature milk mixing, can use without plugging in. Intelligent constant temperature control: precise temperature control system, maintaining water temperature within ranges of 40-100℃, 6-speed adjustable to meet different beverage needs. Rapid heating technology: using efficient heating component to quickly heating up and improve daily efficiency. Plug in free boiling water: It can also boil water outside, quickly boiling water in 10 minutes, boiling water, heating, constant temperature, and insulation four in one, with long time constant temperature of 12 hours. Build in large capacity battery: Equipped with build-in 27000mAh large capacity battery, supporting 18W fast full charge, and leather like handle, it is portable for travel. Specifications: Component: Food grade stainless steel inner, high temperature resistant plastic shell Size: approx. 231x92mm/9.09x3.62inch Parameters: Capacity 350ml Power: 220W Input: 5V Properties: White Battery capacity: 4500mahx6=27000mAh Practicality: Suitable for travel, outdoor activity, office use, support multifunctional switching of milk, boiling water, and insulation Package Includes: 1 Piece Multifunctional Charging Cup 1 Piece USB Type C Charging Cable 1 Piece Instruction note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.