Professional 25-Key USB MIDI Drum Pad and Keyboard Controller. Features 25 mini keys with velocity assignable to controllers, 16 encoders, 16 pads (two banks of 8 pads/buttons), Pitchbend/Modulation touch strip, Footswitch input, USB interface, adaptable to USB 2.0(FULL SPEED), Compatible with Win 8/Win 7/XP/Vista and Mac OSX, Works with iPAD (camera connection kit required). Power supplied by USB. Drive free and hot-plug supported. Color: White, Material: Plastic, Package list: MIDI COntroler, USB Cable. Dimensions 37 x 20 x 5 cm. Weight 960 g.