This guitar is a multi-function guitar. Directly to connect amplifier with battery and use the effect inside(also can close the effect, only use the clear sound). Directly to connect headphone with battery and use the effect inside(also can close the effect, only use the clear sound). Directly to connect amplifier without battery(can not use the inside effect, only use the clear sound). The effect inside can replace outside effect pedal, no need to take extra lines, easy to take, very good to practice yourself or perform on stage. This is a silent guitar, you can practice yourself and don’t disturb other people. This guitar have Aux in plug, you can play with backing track. This silent travel guitar have good quality, good material, the neck and body is neck thru body with Canadian Maple, which is very strong and stable. We will send by foam gig bag. The package do not including battery, as the express reject battery on airplane, so please prepare the battery yourself. Scale length: 25.5/22 Frets. Body: Mahogany Back, Canadian Maple Top. Right Hand In Natural. Right Hand In Black. Left Hand In Natural. Left Hand In Black.