This is a mobile audio interface manufactured by IK Multimedia for connecting guitars, basses, and other instruments to mobile devices. - Model Name: iRig 2 - Type: Mobile guitar interface - Connection Terminals: 1/4" input jack - Compatibility: Compatible with iPhone, iPad - Accessories: User manual - Features: Includes a free TONE model I bought this a year ago for transcribing from my smartphone, but I've only used it once.