Catch Your Inspiration Anytime!The JOYO JA - 01 Guitar Amplifier offers two different sounds and is portable with enough output to bring outside. JA - 01 can catch every beautiful note and amplify. It features clean and distortion settings. MP3 input jack. Give you great experience.Features:Pocket design， convenient to carry.Plug the CD or MP3 player in and play along.Easy to use， catch your inspiration anytime.Power indicator. Clean and distortion settingsParameters:Power output: 2WMP3 input jack: 3.5mmEarphone jack: 3.5mmPowered by: DC 9V or 1 x 6F22 battery Brand: JOYO Model : JA - 01 ArrayPackage weight: 0.214 kg Product size (L x W x H) : 6 x 4.3 x 15 cm / 2.36 x 1.69 x 5.90 inches Package size (L x W x H) : 14.3 x 5 x 21 cm / 5.62 x 1.97 x 8.25 inches Package Contents: 1 x JOYO JA - 01 Guitar Amplifier， 1 x Battery， 1 x Earphone