Korg nanoKONTROL 2 black, USB-MIDI Kontroller, 8 Faders, 8 Rotary controls, Solo/Mute/Record per channel, Transport buttons: Rew/FF/Stop/Play/Rec, CYCLE button, MARKER button, TRACK button, Connections: USB-Mini, USB powered (less than100 mA), Dimensions (WxHxD): 325 x 30 x 83 mm, Weight: 293 g, Incl. USB cable and software bundle, supports Apple iPad from OS 4.2.1- Requirements: Apple Camera Connection Kit (not in delivery), iPad App must support Core MIDI (KORG does not guarentee compatibility; problems can occur if Apple upgrades and/or releases new models!), Active USB Hub recommended