Features: Portable milk bottle insulation sleeve with digital display, 5 gears temperature ranges, 38°C 40°C 42°C 46°C 50°C adjustable, meet your differernt need. Quality PU materials, comfortable and environmentally friendly, skin friendly, 4-layer temperature locking material, with good insulation effect and long-lasting constant temperature. Adjustable self adhesive tape for a snug fit on the bottle, suitable for most milk bottles in the market. USB power interface, supporting multiple charging methods, such as charging heads, power banks, or car charger. Designed specifically for parents who need warm milk for their babies, this portable bottle warmer is a must-have accessory for parents whether they are at home, traveling, or outdoors. Specifications: Material: PU Color: Orange, Green, Pink(optional) Height: Approx. 11cm/4.33inch Charging Port: USB Type-C Temperature: 5-speed adjustable (38-40-42-46-50℃) Package Includes: 1x Milk Bottle Insulation Sleeve note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.