AT9913iS - High quality small mono microphone for digital recorder. Plug-in power method not requiring of battery. It is possible to use for the personal computer by three pole plug adoption. Newly developed pivot floating structure to decrease external vibration noise of equipment. Line directional pickup and free angle mechanism in the aimed direction that can freely adjust the angle. Metal body that decreases stylish and extrinsic noise in solidity. Smartphone and iphone Compatible.