Keyboard: 61-key standard piano Number of tones: 128 tones, 128 rhythms Demo song: 14 built-in songs Material: Aluminum plus PC Function: Sustain, vibrato, chord, etc. Power supply: 1, USB 5V external power supply 2. Built-in 1000mAh lithium battery power supply Body size: 915*150mm Net weight: 4kg Output power: 1W Color: silver Accessories: power adapter cable, USB cable, pedal, manual, piano bag Additional Details ------------------------------ Package quantity: 1