Keyboard: Multi touch Keyboard / Step key Synthsizer: Type: Analog synthesis Maximum Polyphony: 3 Structure: 2 VCO (Triangle), 2 EG, 2 LPG, digital effect Sequencer: Number of parts: 1 Number of Steps: 16 Number of Recording Patterns: 8 Connectors: Audio Output: Headphones (3.5mm stereo mini jack) Sync: Sync In (3.5mm monaural mini jack, Maximum input level: 20V), Sync Out (3.5mm monaural mini jack, Maximum Output level: 5V) Control In: CV-IN jack (TRS miniphone jack) Power: Battery Life: Approximately 10 hours (using alkaline batteries) Power supply: AA alkaline battery ×6, AA nickel-etal hydride battery ×6 or AC adapter “KA-350” (optional) Other: Included Items: AA alkaline battery ×6 (for verifying operation), Sync cable, Pin cable for patching 1 set, Module reference sheet Dimensions (W x D x H):193 × 115 × 39 mm / 7.61x 4.54 x 1.54inches Weight 377 g / 0.83 lbs (Excluding batteries)