Convenient insulation: Whether indoors or outdoors, the bottle temperature can be maintained through USB power supply, providing the baby with a suitable milk temperature anytime, anywhere, for easy travel.Universal design: suitable for a variety of milk bottles, regardless of model, to meet the thermal insulation needs of different brands of milk bottles, reducing the cost and trouble of parents purchasing a variety of thermal insulation equipment.Exquisite appearance: The beige appearance is simple and elegant, both practical and beautiful, matching the style of various mother and baby products to enhance the overall use experience.Power storage function: It has the ability to store electricity outdoors, and can continue to work for a period of time without a power socket to that the baby can drink hot milk in time when he is outside.Safe materials: Made of safe and environmentally friendly materials, no odor, no harmful substances seep out, and close contact with baby products also reassures parents.