@Dianna have you a link for it pls
We have the Philips bottle warmer. It works for any bottle (and pouches or jars). If you are using fresh milk, try putting the bottle in an bottle bag to keep the warmth in. Just out of curiosity, have you tried giving a cold bottle? I also exclusively pump. I warm all bottles during the day, but from about 4/5 months onwards I started giving cold bottles at night and my LO doesn’t mind them.
https://a.co/d/1mTkbKL
Momcozy Bottle Warmer, Fast Bottle Warmers for All Bottles with Timer This is the one I've been using for my girl since she was born. She's 15 months now.