Momcozy Bottle Warmer, Fast Bottle Warmers for All Bottles with Timer, Accurate Temperature Control and Automatic Shut-Off, Multifunctional Bottle Warmer for Breastmilk

The bottle warmer actually tells you how long based off of how many ounces you are warming up so it will depend on which bottle warmer you get. This is the one we have! We did experiment a little to see how warm we liked it. You just put the milk on the inside of your arm to see https://a.co/d/01bbJeAx