These apparently are the smallest MIDI controllers you can buy.
The NMSVE (Noise Machine Straight Vibin' Edition) are Bluetooth MIDI controllers with 12 buttons, expression knob, and aa slider. Launched on Kickstarter in 2020 and it went well so they are now available via the
https://thisisnoiseinc.com/ website priced at $79.99 or available in a build kit version $59.99
With Delta CEP A and friends
F9 Audio co founder
And the George Formby grill
The legacy returns