Portable Water Warmer Rechargeable for Formula, Milk, Precise Temperature Control, 300ml, Portable Instant Water Warmer for Travel, Smart Wireless Baby Bottle for Car, Travel, Outdoor, Battery Powered Product Features: This wireless water heater is highly portable and easy to carry in your bag, ideal for outdoor use, shopping, camping, travel, car trips, and on-the-go lifestyles. Large 300ml capacity. Equipped with advanced chip technology for real-time and accurate temperature display, allowing parents to monitor heat levels without repeated manual checks. Constructed with high-quality materials: the bottle is made of borosilicate glass (BPA-Free), not plastic, and features food-grade heating elements. Safe and healthy for infant use. 5200mAh battery provides reliable performance: heats 150ml of water to 45°C (113°F) in approximately 5 minutes at room temperature, with the ability to heat up to about 10 times on a single charge. Maintains a constant temperature of 45°C for up to 8 hours. Features a Type-C charging port, compatible with laptops, power banks, wall chargers, and other standard USB power sources. Includes a Type-C charging cable.