Features 1. Use our portable breast warmer to easily heat your baby's breast milk or formula. No longer need to search for a microwave, power outlet, or boiling water. Compact and lightweight, perfect for busy parents. Let's make your life easier! 2. Experience unprecedented busyness and convenience through our innovative solutions for busy parents. The portable breast warmer is powered by rechargeable batteries and is a compact portable breast warmer designed to provide warmth without the need for bulky wires or sockets. It has universality and can be easily adjusted to fit the shape and size of most bottles. 3. Our portable milk warmer has a battery capacity of 6000mAh. A fully charged bottle can last up to 5 hours of use, depending on the usage of each heated bottle. 4. Our portable milk warmer has a universal design that can easily adapt to bottles with a maximum diameter of 6.5 centimeters. Nylon buckle can easily fit all bottle shapes and sizes. The portable milk warmer may vary depending on the amount of ounces in the bottle, but it can take up to 3-5 minutes at the fastest. Just select the desired bottle temperature and wait for the bottle to reach the selected temperature. Specification Material: ABS Color: White Size: 14.5 x 8.7 x 5.5 cm Weight: 310 g Package Include: Breast warmer Packaging box Charging cable 1 meter Product manual