TASCAM IM2X Rotatable X-Y Stereo Microphone for Apple iOS (Discontinued by Manufacturer) 180 Rotatable X-Y Cardioid Mics with Plug-in Dock Connectro for iPod Touch, iPhone and iPad Built-in Input/Clip LED meter Internal High-end A/D Converter for CD Quality Recording (44.1kHz/16-bit) Input Level Rotary Volume Control and Input Limiter Switch 2-track Recording Application by TASCAM, Available for Free on the Apple App Store