Fostex AR-4i, Audio-Interface for Apple iPhone 4 and 4S, 2 x plug-in powered condenser cardioid type mics, 3x Mic Input 1/8", 4-dot LED level meter for input monitoring, Headphone Out with Gain Control, Power Supply via 2x AAA Battery or USB, 2 x threaded tripod mounts on the bottom and side for use with tripod, camera rigs, supplied with a sturdy hand grip