Features: Food-grade high borosilicate glass body, safe, healthy, and heat resistant. 316 food-grade stainless steel heating plate for improved safety and durability. 300ml capacity allows preparation of milk 3-4 times. Wireless fast heating makes this portable water warmer ideal for preparing formula while traveling. LED temperature display provides real-time monitoring. Temperature adjustable between 37°C to 55°C to suit various baby formula requirements. Built-in 5200mAh rechargeable battery supports up to 8 hours of constant temperature. Equipped with Type-C charging port and USB cable; compatible with power banks, USB adapters, laptops, and car chargers. Features a push-button lid for one-handed operation, silicone anti-slip base for stability, and a compact, lightweight design for easy portability during outdoor use. 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 Package Includes: 1 x Water Warmer 1 x USB Cable