Soundless Studio joyMIDI
The joyMIDI is a portable 4-in-1 MIDI controller with 4 operating modes: Keyboard (MIDI), DrumPad (MIDI), DJ (MIDI) and GamePad (HID joystick). The case is 3D printed and the design files are open source on Onshape.
New in version 2.2.4.
After powering on the device, press the right button to enter the DJ controller mode.