WORLDE Easykey.25 Portable Keyboard Mini 25-Key USB MIDI Controller

25 velocity-sensitive -keyboard keys.4 programmable memory banks. 6 control buttons: Edit, Mod, down / up, Octave down / Octave up.1 rotary knob for tone adjustment. Plug and Play USB 2.0 cable, no need of driver installation. USB bus powered - no additional power cable needed. Compatible with Win 1087Win XPVista and OSX. Drive free and hot-plug supported