Its a mini guitar amp...can be used as a simple plugin guitar and headphone unit
or as a mini audio card to connect to a smart IOS device such as an iphone, ipad, ipod or
Android /windows devices to use with a recording or effects app.
Comes with a 3.5mm lead to connect to an Apple device...an adaptor is needed to connect to an Android device.
Comes with two AAA batteries so is ready to plug in and go!