I'm cross-posting this on Tandems as well since it probably makes more sense there, but I was curious if anyone came across a bike computer (or any sport that might be adapted to such) that had the ability to display two independent heart rates?

I've searched online a bit to no avail.

It's pretty common for sporty tandem teams to run two computers so each rider can see their heart-rate, and sometimes I've seen both mounted in front of one rider so that rider can best judge overall team effort and encourage the other (or perhaps chastise the other for slacking, ha!).

Anyway, if anyone has any ideas about how to get a single device to display heart-rate from two separate transmitters simultaneously, I'd appreciate it!

Thanks.