Temperature Control: Intelligent three gears temperature control can be adjusted according to the seasonal temperature.Suitable for a variety of milk bottles, while installed on, the heat preservation, suitable for all kinds of milk bottles Good Insulation:Milk Warmer Heater,It keeps your food and drink warm for long time. It also avoids to burn your hand while holding hot water cups., easy to clean. High Quality:Bottle Warmer Bag,This Milk Bottle Heated Bag is made of durable material which is not harm for your health. It has good wrinkle resistance and shape retention, higher strength and resilience. USB Charging: Come with USB cable, just connect the cable into any power bank, vehicle USB or laptop interface. The additional pocket of our bottle warmer can place a power bank, help you warm the milk anywhere.