Robbed; any information from bluetooth connection?

Yesterday I was robbed after a date. During the date we were watching a movie on my laptop when I had issues with my wifi, so he connected his phone via bluetooth to use his data. The device is still displayed on my bluetooth connections, and now I'm wondering if I can find out anything useful from this?

Might be a long shot, but I really don't have much information about him that's not fake, so anything really might be …

bluetooth connected connections data device find information laptop movie phone privacy wifi