Features: Food-Grade MaterialsOur portable water warmer is made with high borosilicate glass, a food-grade material that is safe, healthy, and can withstand high temperatures. The 316 food-grade stainless steel heating plate is also safer and healthier for your baby. 250ml Large CapacityWith a 250ml capacity, our water warmer can provide enough water to brew milk powder for baby. It's perfect for outdoor trips and a great helper for mixing formula milk on-the-go. Adjustable TemperatureOur water warmer allows you to adjust the temperature between 37 to 55 to suit different baby formulas, and also supports one-button switching the commonly used temperature 45/55. With LED screen that displays the water temperature. Large Capacity BatteryBuilt in a 15000mAh large capacity battery, our water warmer can keep a constant temperature for up to 12 hours. It supports USB fast charging via the type-c charging port, making it convenient to charge with a power bank, USB power adapter, laptop, or car charger. Other FeaturesOur water warmer Features a bouncing cup cover design, allowing for easy one-handed operation. The silicone anti-slip pad at the bottom ensures stable placement, while its compact and lightweight design makes it easy to carry during outdoor travel. Specifications: Color: White/ Pink/ Blue(optional) Material: Borosilicate Glass + Stainless Steel + ABS Capacity: 250ml Temperature Range: 37 to 55 Battery Capacity: 15000mAh Charging: Type-C Rated Voltage: 11.1V Item Weight: 800g/ 1.8lbs Packing List: 1 * Water Warmer 1 * USB Cable