100% brand new and high quality Garding Milk War, When the weather gets cold, the hot milk will get cold soon, the heating bag can preserve the heat for a long time, your cute baby can enjoy hot and healthy milk. The hot bottle keeper can work well with plastic bottle and glass bottle, suitable for bottle diameter up to 6.5cm. 37C, 40C, 42C, 45C, 50C, 55C, 6 gears temperature control, 37-55C / 98.6-131 F constant temperature heating: effective maintenance of nutritional milk, and you can drink milk while it is warming up, 6000mAh battery can keep warm for 2-3 hours, can be used while charging. This portable constant temperature water heater has a built-in temperature sensor chip, which can accurately control the temperature. 37C/98.6F (min) to 55C/131F (max) . Real-time temperature display. Say goodbye to repeated temperature measurement. This is a mobile bottle warmer. Built-in 6000mAh battery, it can heat water without cable, which is cordless and portable. Brew formula anytime and anywhere. Perfect for travel, car, commuting and more. Heating time is about 40 minutes to complete (This data is from the test of 28 degrees indoor temperature, and the capacity is of 120ml. Due to the influence of the environment and the temperature of the liquid itself, it is for reference only. Light compression (connected to the power supply), Red light: enter charging state, Green light: full state, USB rechargeable, easy to use. Includes power supply 1. Start the milk warmer long press for 2 seconds to start the milk warmer,2. Press once to change the temperature. Specifications: Input content: 5V 2A Battery: 6000mAh Charging time: 6 hours Material: ABS Color: White Size: 145x87x55mm. Quantity: 1Pc Package includes: rechargeable bottle warmer. 1X (bottle is not included)USB charging cable.