vetch InnoTab Stereo Speaker System. Speaker system comes with a universal 3.5mm auxiliary audio jack. Compatible with all generation iPhone/iPad, Android phones and other electronic devices. Also compatible with InnoTab 3 S, InnoTab 3, InnoTab 2, InnoTab 2 S. Box is opened put all parts are present and in their plastic. User's manual is also included. Uses 4 AA batteries which are not included.