Yamaha PSR-E353 Keyboard 61 touch responsive keys, 535 sounds + 18 drum/SFX-kits + 20 Arpeggio (incl. XGlite Voices), 158 styles, 154 internal songs, 32-note polyphony, 2 Track Sequencer / 5 User Songs, 1 One Touch Setting, Effects: Reverb, Chorus, Master EQ, Harmony, Arpeggio 150 typs; Dual Function, Split Function, Melody Suppressor-Function, SMF Formats 0 & 1, Registration Memory, Metronome, Transpose, incl. Yamaha Education Suite, LC-Display with backlight, connection: AUX In (stereo mini), USB-to-Host, headphone, sustain pedal, speaker system 2 x 2,5 Watt, usable with batteries, inkl. power supply PA-130, iOS-apps are available for iPhone/iPod (i-UX1 cable is necessary but not included #312469, dimmensions W x D x H in mm: 945 x 369 x 122, weight: 4,4 kg, colour: steel, follow up model of PSR E-343