1.The USB MIDI HOST box is a simple but very useful MIDI tool that can convert the USB MIDI device interface of a musical instrument into a common 5-pin MIDI interface device.
2. USB-B interface: used to supply power to the product, the power comes from the optional standard USB DC5V power adapter;
3. USB-A interface: standard full-speed USB MIDI HOST interface, used to connect USB MIDI devices and power USB MIDI devices;