1. Pretty portable, allows you to practice and improve your guitar skills in guitar unfriendly spots. It's a practice mate to take with you when you can't take your guitar.
Take your show on the road
2. Practice chords and scales, gain finger quickness, build callouses
3. Great for beginer, children, professional guitarist
Note: This product is the auxiliary tool for the guitar. It can't issue a standard guitar sound.
It can not be tuned.
Applies to those who can keep practicing and determined to speed up the guitar skills.