Portable Water Fountain Rechargeable for Formula, Milk, Precise Temperature Control, 300ml, Portable Instant Water Fountain for Travel, Smart Wireless Baby Bottle for Car, Travel, Outdoor, Battery Powered Features: This wireless water heater is very portable and easy to put in your bag, perfect for outdoor, shopping, camping, traveling, car, travel. Large capacity 300ml. Using the latest chip to display real-time and accurate temperature, mothers no longer have to measure their temperature repeatedly. HIGH QUALITY MATERIALS: This thermos is made from borosilicate glass (BPA free) instead of plastic. The heating element is made of food-grade materials. Safe and healthy, mothers have no worries. 5200mAh Long Battery Life: At room temperature, heat 150ml water to reach 45C/113F in 5 minutes, and can be heated about 10 times. Constant temperature 45 for 8 hours. Type C port, compatible with laptops, power banks, wall chargers, and more. Type C cable included in the package. Packing contents: 1 piece of thermostatic cup