milisten guitar bass headphone amplifier mini guitar amp recorder speaker for acoustic electric guitar accessories milisten <b>description</b><br/><br/>a foldable plug mechanism that rotates 180 degrees and an auto power-off function are additional features that contribute significantly to improved convenience and ease of use.<br/><br/><b>features</b><br/><br/>- material: abs plastic, aluminum.<br/>- color: black.<br/>- size: approx. 8.20x7.60x2.50cm 3.22x2.99x0.98in.<br/>- battery: 2 aaa batteries(excluding).<br/><br/><b>package including</b><br/>1 x instruction<br/>1 x guitar headphone amplifier