Features1Baby Bottle Warmer: No more worrying about cold milk for your baby when going out. Automatically shuts off and keeps milk warm. 2Fast Heating: Rapid heating speed and insulation, suitable for all bottles with a diameter less than 6.5cm. 3Heating Options: Heat milk to 37, 40, 42, 45, 50, or 55, taking only 20 minutes to heat milk from normal temperature to 40. 4Wireless Charging: Equipped with 8000mAh large capacity battery, approximately 45 uses. No need to plug it into any power source. Just place the bottle inside. 5Travel Friendly: The portable and convenient design fits ly in your bag so it's ideal for travelling. Warm baby's feed on the go.SpecificationItem Type: Portable Travel Baby Bottle WarmerMaterial: ABS, PCWeight: Approx. 352g / 12.4ozBattery Type: Lithium Polymer BatteryBattery Capacity: 8000mAh (Ships with)Heating and Insulation Time: 3.5 HoursHeating Speed: 20 MinutesCharging Time: 8 HoursCharging Method: USBPackage List1 x Portable Travel Baby Bottle Warmer1 x Data Cable1 x User Manual