Features:
54 keys.
With music player function, an USB flash disk (not included) can be insert into the electronic keyboard, then can play MP3 music from it.
16 timbres, 8 rhythms, 8 precussions.
8 demonstration songs: Demo one / Demo all.
Master & accompaniment volume control, tempo control.
Single finger / fingered chord / fill-in.
Rhythm programming function.
Record & playback.
One key / Ensemble / Special effect.
With microphone / speaker output.
Comes with a music stand and a microphone.

Specifications:
Model: MK-4500
AC/DC Adapter: UK Plug(Input: 220V~50/60Hz; Output: 9V, 250mA)
Keyboard: 54 keys
Timbres: 16
Rhythms: 8
Demo Songs: 8
Percussion: 8
Types of Chords: Single finger chord and fingered chord
Power Supply: DC 9V or 6 * AA batteries (batteries not included)
Keyboard Size: 73.5 * 26 * 8cm / 29 * 10.2 * 3.2in
Keyboard Weight: Approx. 1779g / 62.8oz
Package Size: 78 * 11.5 * 30.5cm / 30.7 * 4.5 * 12in
Package Weight: Approx. 2.9kg / 6.4lbs

Package List:
1 * 54 Keys Electronic Keyboard
1 * AC/DC Adapter
1 * Music Stand
1 * Microphone
1 * User Manual(English)

Note:
Batteries are not included.
Please read the user manual carefully before playing the electronic piano.