100% brand new and high quality Keeping Milk War, When the weather is getting cold, the warm milk turns cold soon, the warming bag can preserve heat for a long time,your cute baby can enjoy healthy warm milk. The bottle warm keeper can work well with plastic bottle and glass bottle,fit for the 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: efficient maintenance of nutritional milk, and you can drink milk while it is warming,The 6000 mAh battery can keep warm for 2-3 hours,Can be used while charging. This portable constant temperature water warmer has a built-in temperature sensor chip, which can accurately control the temperature. 37C/98.6 F (min) to 55C/131 F (max) . Real-time display of temperature.Farewell to repeated temperature measurement. This is a mobile baby bottle warmer. Built-in 6000mAh battery,it can warm the water without cable, which is wireless and portable. Brewing formula any time and anywhere.Perfect for travel, car, on the go and more. The heating time is about 40 minutes to complete (This data comes from the test of 28 degrees indoor temperature, and the capacity is 120 ml. Due to the influence of the environment and the temperature of the liquid itself, it is for reference only.) Charging light (connected to the power supply), Red light: enter the charging state, Green light: full state,USB Rechargeable,easy to use. Power button 1. Start the milk warmer-long press for 2 seconds to start the milk warmer,2. Press once to change temperature. Specifications: Input Voltage: 5V 2A Battery: 6000mAh Charging time: 6hours Material: ABS Color:White Size: 145x87x55mm Quantity:1Pc