6-Level Temperature Display Milk Bottle Warmer, With Rechargeable Battery Milk Heating & Adjustment Function Portable Milk Warmer Heating & Constant Temperature Universal USB, Leather Material This is a rechargeable milk warmer. You can adjust the temperature with a single button, and it's easy to understand with the digital display. 37℃ 40℃ 42℃ 45℃ 50℃ 55℃ Condition: ・Operation confirmed ・No noticeable stains or major scratches Please refrain from purchasing if you are sensitive to used items, as this item has been stored at home.