Iphone microphone stereo microphone compatible smartphones apple iphone 5 apple iphone 5c apple iphone 5s apple iphone 6 apple iphone 6 plus material metal port apple lightning series shure motiv dimensions 67 x 25 x 35 mm weight 51 g suitable for public speaking vocals instruments home recording filmtvbroadcasting transducer type electret condenser directivities cardioid bi directional noise level 120 db frequency response 20 20000 hz sampling fr