An easy way to remember is that "Fan" will be in the product's title. (with the exception of accessories like ear seals) We've always joked about the "Scans are for Fans" "Radios are for Pros" campaign, so there is that... otherwise....There are two types of headsets for fans.+ The Fan Scanner Headset (For use directly with scanners)+ The Fan Intercom Headset (Has mic and connects to other fan intercom headsets and scanners)Headsets NOT for fans:+ Racing Radios Intercom Headsets (For pro pit intercoms)+ Racing Radios two-way headsets (For use with two-way radios)+ Peltor Two-way Headsets (For use with two-way radios)