Stereo external mic for ipad ipod touch iphone 4 and 4s that has a 35mm input with automatic and manual gain controlr r key featuresr r transducer type condenser pressure gradientr polar patterns cardioidr frequency responce 35hz 20khzr sampleword 441 khz16bitr dimensions 25 l x 25 w x 05 hr r r record anytime anywherer r the all new mikey digital is the perfect tool for mobile recording featuring two custom tuned blue capsules for stereo recording a line inpu