The Portable Feeding Bottle Warmer effortlessly solves the challenges of milk heating on cold days and outdoor feeding. This compact device preserves heat and maintains warmth for up to 24 hours. With its adjustable heating temperature from 38-55 °C (100-131 ℉), the warmer offers constant circulation heating, ensuring efficient temperature maintenance for both water and milk. Constructed with high-quality PU leather and durable electronic components, it offers superior heat retention. The unit includes a safety USB interface that supports a type-C charging cable, allowing easy connection with plugs, power banks, or car chargers for convenient, stable use. Additionally, the warmer is adaptable to a variety of feeding bottles, thanks to its adjustable hook & loop fasteners that accommodate various shapes and sizes.