Yamaha sonogenic SHS-500 Black Keytar - 37 mini touch responsive keys, 30 sounds, 10 preset songs, 48-note polyphony, control knob, pitch bend and modulation wheel, transpose, DSP, Master EQ, USB Audio Interface, USB to Host (Midi/Audio: 44.1 kHz, 16 bit, stereo), AUX In, Line Out, headphones, usable with batteries, free App Chord Tracker, iOS Devices ( 8.1 or later); works with iPhone 4S/5/5c/5s, iPod touch (5th Generation), iPad (3rd/4th Generation), iPad2 (2nd Generation), iPad Air, iPad mini, iPad mini Retina, iPad mini3; The Yamaha Chord Tracker app helps you practice and perform songs by analyzing the audio song stored in your iOS device and then displays the chord symbols for you; inkl. power supply PA-130, dimmensions W x D x H in mm: 821 x 121 x 65, weight: 1,5 kg, colour black