25-Key USB Keyboard and Drum Pad MIDI Controller

Features:
25 velocity-sensitive keys. 
8 backlit trigger pads. 
4 MIDI control groups.(4 assignable control knobs plus 4 assignable control sliders). 
4 banks for different settings. 
8 control buttons: CC Mod, Mod, Bank, Prog, Pitch down / Pitch up, Octave down / Octave up. 
Plug and Play USB 2.0 cable, no need of driver installation. 
USB bus powered - no additional power cable needed.  

Specifications:
Color: Black; 
Material: Plastic; 
Operating system: Support for Win 8 / Win 7 / Win XP / Win Vista / Mac OSX. 
Item size: 32 * 19 * 3cm / 12.6 * 7.5 * 1.2in; 
Item weight: 742g / 26.2oz; 
Package size: 34 * 20.5 * 5cm / 13.4 * 8.1 * 2in; 
Package weight: 879g / 31oz;  

Note:
Not support for Windows 98, Me, NT and 2000; 
G3/G4 accelerator cards are not supported.  

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