https://midi.org/innovation-award/midibeam-v2-wireless-midi-interface
midiBeam V2 Wireless MIDI Interface – MIDI.org
wireless midimidibeam
https://midi.org/innovation-award/midibeam-4control-usb-interface-midi-expression-footswitch-controller
midiBeam 4Control USB Interface & MIDI Expression/Footswitch Controller – MIDI.org
usb interfacemidi expression