Features: Portable milk bottle insulation sleeve with digital display, 6 temperature level adjust, meet your differernt need. Quality, comfortable and environmentally friendly, with good insulation effect and reliable constant temperature. High capacity battery, long stable performances, and precise temperature control experience. USB C power interfaces, support multiple charging way, easy to use. Designed specifically for parent who need warm milk for their baby, essential for parent whether they are at home, traveling, or outdoor. Specifications: Component: PU,ABS Type: 6000mAh, 8000mAh, 10000mAh(optional) Size: approx. 132x85mm/5.19x3.34inch Power: 18W Input: 5V2A/9V2A Package Includes: 1 Piece Baby Milk Bottle Warmer note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.