This guitar is a multi-function guitar. Directly to connect amplifier with battery. Directly to connect headphone with battery.This is a silent guitar, you can practice yourself and don't disturb other people. 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. The neck is headless and have adjustable truss rod. This headless guitar is small size after folded, very easy to take. 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.