Mini Guitar Headphone Amp Pocket Amplifier Super Lead Sound Joyo JA-03
Mp3 input jack:3.5mmEarphone input jack:3.5mmPower: AAA battery, 2 pieces(included)Material: ABS PlasticWeight:54g(with the clamshell)Power indicatorDimension:89(L)77(W)26(H)mmSound Effect : Super Lead Sound