Features:
49 keys multi-function toy-type electronic keyboard.
16 timbres， 10 rhythms， 8 percussions.
6 demonstration songs， 51-level tempo control.
8-grade master volume control.
Single finger / fingered chord / fill-in.
Rhythm programming function.
Record & playback.
Vibrato / Sustain / Echo.
One-key / Guide function.
With microphone / speaker output.
Comes with a music stand and a microphone.

Specifications:
Model: MK-4100
AC/DC Adapter: US Plug (Input: 110V~50-60Hz; Output: 9V， 250mA)
Keyboard: 49 keys
Timbres: 16
Rhythms: 10
Demo Songs: 6
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 * 25 * 8cm / 29 * 9.9 * 3.2in
Keyboard Weight: Approx. 1.788Kg / 3.9Lbs
Package Size: 77 * 29 * 11cm / 30.3 * 11.4 * 4.3in
Package Weight: Approx. 2.527Kg / 5.6Lbs

Package List:
1 * 49 Keys Electronic Keyboard
1 * AC/DC Adapter
1 * Music Stand
1 * Microphone
1 * User Manual

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