300ml Wireless Instant Water Warmer Electric Kettle for Baby Formula With 5200 mAh Battery Capacity 1. Built-in lithium battery, wireless heating does not need to be plugged in, and hot water is always available when you go out 2. Adjustable temperature of 37-55 degrees Celsius, matching the water temperature requirements of various milk powders, without loss of nutrients, and the baby will grow well 3. 5200mAh large-capacity battery, long-lasting battery life, can keep warm for 8 hours 4. TYPE-C charging interface, which can be charged at any time in a variety of situations, making it more convenient to carry when traveling. 5. One-click heating, no need to wait 6. Easy to store, does not take up space, and can be carried around without stress 7. Food-grade contact material, safe to use 8. LED display, real-time display of temperature 9. Material: ABS, high borosilicate glass 10. Product size: 86 x 210mm 11. Net weight: 0.58kg