Features: [Food-Grade Material] Made with food-grade high borosilicate glass body, ensuring health, safety, and high temperature resistance. Features a 316 food-grade stainless steel heating plate for improved safety and durability. [300ml Capacity] Portable water warmer with a 300ml capacity, suitable for preparing multiple servings of milk. Wireless fast heating function makes it convenient for preparing formula milk outdoors. [Temperature Display] Equipped with an LED screen to display water temperature. Offers temperature control between 37°C and 55°C to accommodate different baby formula requirements. [Built-in Large Capacity Battery] Integrated 5200mAh battery provides up to 8 hours of constant temperature performance. Supports Type-C USB charging and can be powered by a power bank, USB adapter, laptop, or car charger. [Other Features] Features a push-button lid for one-handed operation. Includes a silicone anti-slip base for stable placement. Compact and lightweight design for easy portability during travel. Specifications: Color: White / Pink / Blue (optional) Material: Borosilicate Glass + Stainless Steel + ABS Capacity: 300ml Temperature Range: 37°C to 55°C Battery Capacity: 5200mAh Charging: 5V USB Item Size: 21 x 8.6cm / 8.3 x 3.4in Item Weight: 580g / 20.5oz Packing List: 1 x Water Warmer 1 x USB Cable