Features:
25-key USB MIDI keyboard controller with LCD display? easy to use.
25 velocity-sensitive keys with excellent performance.
4 assignable knobs can accomplish two groups of functions(R1-R4/ R5-R8).
1 programmable slider with preset volume control.
1 edit button can switch play and edit status.
2 programmable reset button (Data +/-) can be configured to 160 controllers.
Pitch bend and modulation wheels add musical expression? can be assigned as 148 controllers.
With pedal input and MIDI output for high level versatility.
USB cable delivers both data and power? more convenient usage.

Specifications:
Color: Silver
Material: Plastic
Power Supply: DC 9V Power Adapter (Not included) or USB Cable (Included)
Operating System: Support for Win XP/ Vista/ Win7/ Win8/ Mac OSX
Item Size: 38 * 25.5 * 5.5cm / 15 * 10 * 2.2in
Item Weight: 1.7kg / 3.7lb
Package Size: 45 * 29.5 * 11cm / 17.7 * 11.6 * 4.3in
Package Weight: 2.2kg / 4.9lb

Note:
The power adapter is not included.

Package List:
1 * MIDI Keyboard Controller
1 * USB Cable