Finding lost bluetooth device

I was traveling from NY to Cleveland and I misplaced my Sennheiser Momentum TW's. I used [Google My Activity](https://myactivity.google.com/item) to help see my phone activity, and I see Spotify was opened at 3:21pm which would suggest I still had them after my stopover at 3:03pm (according to Maps timeline). Is there anyway I can view the last time they were connected to my device? All help is greatly appreciated! More than welcome to some out of the box solutions!