Features: 1. 61 Piano-Styled Keys/LED Display 2. 200 timbres 200 rhythms 60 demo songs 3. 3 digit LED digital display 4. 2 ways to power: DC 5V or 4 pcs AA batteries (not included) 5. Record/Program/Playback/Sustain/Chord/Sync/Start/Stop/Vibrato/transpose/Fill-in 6. Double keyboard: When the function of this key is On the key will be played as C4-B5 in the scale of C3-B4 and C5-C8 will be played as C4-C7 Friendly reminder:：Remember to take out of the AC adapter and Mic from the foam Specifications: Model: GEP-110 Keyboard Color: Black Suitable for keyboard piano players both Adults and Children Piano Keyboard Dimensions: 33.46 in x 10.03 in x 2.75in Piano Set Gross Weight: 20.24 lbs/ 9.2kg Piano Net Weight: 3.96lbs/ 1.8kg Piano Stand Weight: 4.18 lbs/ 1.9kg Piano Bench Weight: 5.94 lbs/ 2.7kg Keyboard Number of keys: 61 Key Keyboard width: 0.74 in Metronome: 1/4 2/4 3/4 4/4 Split keyboard Control: 24 keys in left hand 37 keys in right hand Sustain: Yes Vibrato: Yes Package Includes: 1 x Keyboard 1 x Headphone 1 x Microphone 1 x Music Rest 1 x Power Adapter 1 x Piano Stand 1 x Piano Bench 1 x Manual