Swift attraction calls to bluetooth to speaker.

Swift attraction calls to play from a speaker.
Our website has details and info about when to play calls.
If you're playing your calls from a speaker, position the speaker as close to the swift brick box or drilled soffits as possible.
When to play calls
sheffieldswift...

[@jonrundle3914]

Excellent selection, much better than other monotonous calls. Where can I download it ?