This 61 Keys Digital Electronic Keyboard Piano is designed for beginners and hobbyists. Whether you are a newbie or an experienced player, these easy-to-use professional features and performance along with its black color. It is quite popular as it is light weighted, compact and portable. It's a good gift for the children.

Features?
Ideally suited to master finger control, this portable piano keyboard allows for play of single-fingered and fingered auto-bass chords, with the capacity to select chord timbre, program/edit rhythm, as well as utilize effects such as vibrato, sustain, & ensemble.
Additional features include rhythm sync and fill-in, tempo adjustment, accompanying volume, and a master volume control.
Built-in speakers offer tremendous sound, complete with 350 Timbres, 350 rhythms, 61 keyboard percussions.Stereo outputs and a headphone jack can be used to listen through external speakers or with the included headphones.

Specifications:
36 white keys, 25 black keys
350 voices and 350 rhythms
With microphone, headset
With stand and bench
Outer box size: 87.5 * 39 * 29.5cm (34.4 * 15.4 * 11.6in)
Gross weight: 10.75kg/23.7lb
Net weight: 7.05kg/15.6lb
Electronic organ size: 83.5 * 27.5 * 8cm(32.9 * 10.8 * 3.15in)
Power cord length: 181.5cm
Stool sponge thickness is about 5.7cm
There is a battery box at the bottom of the piano, which can hold 6 AA batteries (You need your own battery)