Bottle insulation cover is built with fiber cloth and a heating element, delivering uniform insulation and a soft feel for safe baby use. Five step temperature control Intelligent 5step control with presets: 38 C, 42 C, 46 C, 50 C, 55 C. Provides precise temperature adjustment to suit different formula powders and feeding needs. Wide compatibility Accommodates soy milk, drinks, juice, coffee, water, milk, and more. Allows you to enjoy hot drinks anytime and anywhere. Versatile use Suitable for home use, car trips, on the go, hiking, shopping, and outdoor activities. Use scenarios At home: quickly warm bottle contents to the right temperature for feeding. In the car or on the go: keep beverages warm during travel. Outdoors and during activities: maintain hot drinks while hiking or shopping.