Size/Weight Dimensions Width 506 mm (19-15/16 #34;) Height 54 mm (2-1/8 #34;) Depth 201 mm (7-15/16 #34;) Weight Weight 1.2 kg (2 lb, 10 oz) (not including batteries) Control Interface Keyboard Number of Keys 37 Type HQ mini (High-Quality mini) Touch Response Soft, Medium, Hard, Fixed Voices Polyphony Number of Polyphony (Max.) 32 Preset Number of Voices 40 Voices + 2 Drum Kits Effects Functions Panel Sustain Yes Arpeggio 138 types Types Miscellaneous Motion Effect (34 types) Functions Recording MIDI data, Number of Phrases: 1 (Approx. 700 notes; fewer when recording using effects such as Motion Effect) Overall Controls Metronome Yes Tempo Range 11 - 280, Tap Tempo (32–280) Octave Button -04 to +04 Transpose -12 to 0, 0 to +12 Tuning 427.0 - 440.0 - 453.0 Hz (Approx.0.2Hz Increments) Connectivity Headphones Stereo mini jack (PHONES/OUTPUT) USB TO HOST Yes (MIDI, USB micro B) Amplifiers and Speakers Amplifiers 1.4 W Speakers 8 cm x 1 Power Supply Power Consumption 1.5 W Auto Power Off Function Yes Power Supply Adaptors USB power adaptor 5 V/500 mA (Sold separately) Batteries Four “AA” size alkaline (LR6), manganese (R6) or Ni-MH rechargeable (HR6) batteries