54 -key LED displaying Electronic keyboard (ARK-5

54 -key Electronic keyboard1. Executive standard GB/T12105-1998 2. Keyboard 54-key standard piano keyboard 3. Display LED display 4. TONE 25 standard tones 5. Rhythm 20 well-chosen auto accompaniments 6. Demo Song 8 stereo demo songs 7. Record 300-note record 8. Program 300 drum rhythm 9. Drums 8 panel drum 10. Effect Control Sustain, vibrato 11. Accompaniment Control Start/stop, fill-in, sync, tempo+/- 12. Chord control Finger chord, single chord, chord CLR 13. Intelligent guide Demo song. A/B guide 14. Other Control Power switch, main volume control. Rhythm volume control, chord volume Control 15. External Port Power jack, headphone jack, left and right sound track jack 16. Diapason: C2 F6 17. Accuracy in musical tuning: ≤3cent 18. AC/DC adapter 19. Output power: 4w x 2 20. Specification: 850mm x330mm x 120 mm 21. Net weight: 3.9kgPacking: Quantity: 6PCS Gross Weight: 34.5 KGS Net Weight: 32 KGS Meas: 90X39X91(cm)