The KB4 Electronic Keyboard is an electronic keyboard with 61 keys and is loaded with features to satisfy from beginners as well as for the more experienced musicians. There is three-step intelligent training: One-Key, Follow, and Ensemble, great for who just start to learn playing keyboard. Combining professional-grade features with a user-friendly design, the KB4 offers endless versatility to develop and sharpen your skills, or just enjoy hours of pure entertainment! 61-Key Keyboard with LED display Three Steps lesson for easy learning 255 Timbres / 255 Rhythms 24 Demonstration songs 8 Percussion settings Master volume / Accom volume / Tempo Control Start/Stop / Sync / Fill-in / Metronome Single Chord / Fingered Chord Rhythm programming function Record and Playback Sustain / Vibrato / Transpose 3.5mm Jack microphone / headphone