Not only does this bottle warmer keep your 's milk warm, but it also effectively preserves the milk's nutritional . Its USB charging interface design allows for versatile charging options, including portable power, charging plugs, and car USB interfaces. This bottle warmer is easy to use, store, and carry, providing convenience for busy parents on the go. Features -Color:As shown -Material:Polyester -Size:13.50X11.00X3.00cm/5.31X4.32X1.18in -Rated Input: -Rated Power: 5V(2A) - The feed bottle warmer is completely handy to carry and can be charged anywhere. - Charge it in the car, with your computer, or buy a charging pack to charge it literally anywhere. - When the weather is getting cold, the warm milk turns cold soon, the warming bag can keep your milk or water warm. - A must-have tool for parent, so that your can enjoy healthy warm milk. - The milk warmer mainly keep the milk or water warm. Sandwich structure thermal insulation design, thermal insulation heating core core fire treatment, safety . Package list: 1 x bottle warmer