MIDI controller,Portable 25-key Usb Midi Buzhi Portable Midi Huiop Midi

Plug and Play USB 2.0 cable, no need of driver installation. Plug and Play USB 2.0 cable, no need of driver installation.USB bus powered - no additional power cable needed. Compatible with Win 10/8/7/Win XP/Vista and Mac OSX. Drive free and hot-plug supported 25 velocity-sensitive mini-keyboard keys. 4 programmable memory banks.1 rotary knob for tone adjustment.