This is the VOX amPlug Classic Rock mini-amp. You can practice guitar by connecting earphones or headphones. It's compact and convenient to carry around. No cable needed. Plug it directly into your guitar. A headphone guitar amp that delivers authentic sound in no time. Built-in with 9 types of multi-effects (Chorus x 3, Delay x 3, Reverb x 3) Features a 180-degree rotating, folding plug mechanism, allowing angle adjustment to suit your guitar Battery-powered for up to 17 hours of use, so you can play anytime, anywhere Equipped with an AUX input jack for jam sessions with an MP3 player This item easily produces sound just by plugging it into your guitar and has three types of effector functions: chorus, reverb, and delay. Operation confirmed. *AA batteries are not included. The main unit only, AA batteries are not included. *Please refrain from purchasing if you are sensitive to used items. *We strive for prompt responses, but please understand that we may sell out on other sites first. #VOX #amPlug #amPlug