Yamaha PSS-F30 - keyboard

Keyboard number of keys: 37 Preset programs quantity: 114 Product colour: Black Maximum polyphony (notes): 32 Number of speakers: 1 Built-in speaker(s): Yes Tap tempo switch: Yes Product type: Digital synthesizer RMS rated power: 1.4 W Volume control: Buttons DC input voltage: 5 V Power source type: Battery, USB Number of batteries supported: 4 Battery type: AA Weight: 1.2 kg Height: 54 mm Width: 506 mm Depth: 201 mm Built-in display: Yes Display type: LED Headphone outputs: 1 USB ports quantity: 1