Features(Chord Trainer):

Pocket Guitar: 6-fret pocket guitar, a handy tool designed for guitar beginners, you can carry it around when you are traveling and practice fingering anytime anywhere.
Guitar Chord Trainer: The LCD screen that display most commonly used chord charts can help guitar beginners to practice and memorize chords. Rotatable design enables you to have the best viewing angle.
Built-in a Metronome: With a metronome inside, beginners can learn the chords with a customized tempo. And tempo adjusting range is 30-260. Please noted that the metronome only give the prompt tone of first beat.
Steel Guitar Strings: Equipped with 6 steel guitar strings, which makes your practice more close to playing real guitar, and the tension of the string can be adjusted via the included mini wrench.
Portable and Lightweight: High-quality ABS material, durable and lightweight; comes with a small pouch for convenient storage and carry

Specifications:
Material: ABS + Metal
Power Supply: 1 * CR2032 battery(not included)
Item size: 29 * 5 * 3.5cm/ 11.4 * 2 * 1.4in
Item weight: 200g/ 7.1oz
Package size: 31 * 6 * 4.5cm/ 12.2 * 2.4 * 1.8in
Package weight: 240g/ 8.5oz

Note:
This pocket guitar is mainly designed for chord and fingering practice. Its sound is not like real guitar.