The i855 Cardioid Lavalier Microphone Kit from Mic-W includes a lavalier microphone recommended for on-air productions and forum discussions as well as interviews and video productions. The microphone is durable enough for use in ENG applications, yet small enough to make it ideal for television and video productions. To start recording, simply plug the microphone into the headphone jack on your device. For convenience, the mic doesn't require an external battery. Also included are several accessories to maximize functionality of the i855 microphone.