【Instructions】The first micro USB port is the DC5V power input port. The USB port labeled keyboard/mouse is the keyboard and mouse interface, which is used to connect mouse/keyboard to the converter.
eBay
M-VAVE SMK-25mini MIDI Keyboard 25-Key MIDI Control Rechargeable USB Keyboard MIDI Controller with 25 Velocity Sensitive Keys
Aliexpress UK
· Keyboard – 6-pin Mini Din Female (purple). · USB Bus powered. · Mouse - 6-pin Mini Din Female (green).
eBay
M-VAVE 25-Key MIDI Control Keyboard Mini Portable USB with 25 Velocity Sensitive Keys 8 RGB Backlit Pads 8 Knobs MIDI Keyboard
Aliexpress UK
16 MIDI input channels and 16 MIDI output channels. LEDs indicate power in, MIDI in the signal and MIDI signal out. Connect the "up" to the MIDI "OUT" jack of a MIDI keyboard. Connect the "OUT" to the MIDI "IN" socket of a MIDI keyboard.
eBay
M-VAVE 25-Key MIDI Control Keyboard Mini USB Keyboard MIDI Controller with 25 Velocity Sensitive Keys 8 RGB Backlit Pads 8 Knobs
Aliexpress UK
You need to connect your mouse or keyboard before you start up your PC.
eBay
M-VAVE 25-Key MIDI Control Keyboard Mini Portable USB Keyboard MIDI Controller with 25 Velocity Sensitive Keys 8 RGB Backlit-Pad
Aliexpress UK
This adapter will work if the Mouse or keyboard your using it with supports this conversion. Free-up USB ports for other devices. Buy Two get One Free!
eBay
WORLDE PANDA61 Portable 61-Key USB MIDI Keyboard Controller 8 RGB Colorful Backlit Pads with USB Cable
Aliexpress UK
❤【ONLY SUPPORT MOUSE AND KEYBOARD】-- The USB interface is only used to connect the mouse or keyboard. It can not be connected to other devices. ❤【NEED RIGHT STEP TO USE】-- Firstly close your computer.
eBay
UMH-10 USB MIDI HOST Box Midiplus 16-Channel MIDI Interface Five-Pin Interface For MIDI Keyboard Piano Keyboard Instrument Cable
Aliexpress UK
For Mix SE Set: 1 Piece Converter +1 Piece USB Cable+1 Piece keyboard +1 Piece Mouse + 1 Piece Bracket. for Mix Set: 1 Piece Converter +1 Piece USB Cable+1 Piece keyboard +1 Piece Mouse + 1 Piece Bracket.
eBay
M-VAVE SMK-25 II 25 Key MIDI Controller Keyboard USB Mini 16 RGB Drum Pads 8 Knobs with Music Production Software Included
Aliexpress UK
Support BT5.1 connection, easy connection, not occupy charging port, convenient to use. Connection mode: USB wired, BT5.1. 1 Keyboard mouse converter. Adopt cloud key mapping technology, default key mapping auto-match, support a variety of phone models.
eBay
M-VAVE SMK-25 II 25-Key USB MIDI Controller with 16 RGB Pads & 8 Knobs, Compact Keyboard for DAWs/Beatmaking/Live Performance
Aliexpress UK