Stylish color convenient compact size Super lightweight and compact body, convenient to carry around availbility in color choice of bold black . Complete control for DAW software synthesizer A knob, fader and 3 switches provided for each of the 8 channels, plus a marker button allow for easy command efficient song production. knob--pan, slider--volume, S button--solo, M button--mute, R button--record, MARKER button--assign marks at important point in the song Easy use a wide range of software supported Sensitive buttons ensure easy control. Many software are supported, which reduces complicated connection settings. USB power for an uncluttered setup Just connect computer and the controller with a USB cable, quick to get music production system. Power and MIDI data travels down the same wire for a clean workspace. Specific setting via software It works with the "KORG Kontrol Editor" software(can be downloaded on the KORG website), which delivers detailed customized settings. Specifications: Material: ABS Color: Black Controller Layout: 8 knobs, 8 sliders, 24 buttons, transport buttons(REW FF STOP PLAY REC, CYCLE button, MARKER button, TRACK button) Interface: Mini-USB Power Consumption: Less than 100 mA Operating Requirements: --Macintosh Supported Computer: Compatible with Apple Macintosh computer with USB port, satisfying the operating requirements of Mac OS X Supported OS: Compatible with Mac OS 10.8 Mountain Lion or later --Windows Supported Computer: Compatible with Computer with USB port, satisfying the operating requirements of Windows7 (Intel USB chipset recommended) Supported OS: Compatible with Microsoft Windows 7 SP1 or Later (32bit 64bit) Dimension: 32.5 8.3 3.0cm 12.80 3.27 1.18in Weight: 293g 10.33oz Package Weight: 430g 15.16oz Package Size: 37 9.5 4.0cm 14.56 3.74 1.57in Note: Only controlleSensitive buttons ensure easy control. Many software are supported, which reduces complicated connection settings. knob--pan, slider--volume, S button--solo, M button--mute, R button--record, MARKER button--assign marks at important point in the song. A knob, fader and 3 switches provided for each of the 8 channels, plus a marker button allow for easy command efficient song production. Complete control for DAW software synthesizeract size. Stylish color convenient comSuper lightweight and compact body, convenient to carry around availbility in color choice of bold black .