Hello M-Me, Bruce
My gear in perfect combination:
SevillaSoft MIDI Breath Controller MBC-1
Versatile, powerful and cheaper than others with the same characteristics. No driver installation required, compatible with iOS, macOS and Windows.
Includes:
-1 Tube (1 meter)
-2 mouthpiece
-USB Cable
Korg MicroKey Air
Great Keys, wireless!
http://compasflamenco.com/midi-breath-controller-mbc1-p-5.html
http://www.korg.com/es/products/computergear/microkey2_air/