OBDII - Carputor - Will this Connector work?

[STRspeed]

Hey everyone I've been looking around for OBDII to USB connectors for my carputor im building for my 1997 XLT explorer. I guess there are a bunch of different protocols and im confused on what will and wont work.
will this one?
http://www.amazon.com/XITECH-BLUETOOTH-DIAGNOSTIC-SCANNER-SCANTOOL/dp/B003MQ89X4/ref=pd_sim_auto_5

Thanks

What protocol does a '97 explorer even use ?