How to use the One-touch 3N1 bottle warmer and steriliser

This Nûby steriliser is not only easy to use for sterilising baby bottles, it's also the perfect tool for warming and defrosting the bottles.
How to use it exactly?
Just watch this video and you'll be ready to go!

[@SalmaAhmed-rj7fw]

Please i want to know if i want to warm less than 2 oz about 45 ml how water I add ?

[@RevathyKathi]

But c for free tu❤g of fiu