SubZero MiniCommand USB MIDI Controller and Keyboard at Gear4music
MIDI to USB Cable, USB to MIDI Cable Converter 2 in 1 PC to Synthesizer Music Studio Keyboard Interface Wire Plug Controller Adapter Cord 16 Channels, Supports Computer Laptop Windows and Mac - Walmart.com
M-VAVE 25-Key MIDI Control Keyboard Portable Mini USB MIDI Controller with 25 Velocity Sensitive Keys 8-Knob Keyboard instrument - AliExpress