The ChenFec Portable Omnidirectional Interview Microphone is a versatile device designed for use with smartphones like iPhone, Samsung Galaxy, and HTC Desire. It is power-efficient and does not require an additional battery, receiving power from the device’s connector. The microphone has a generous 3-meter cable, a pre-polarized capsule for clear audio recording, and a durable brass body. Tested in high humidity and temperature environments, it is suitable for professional use. With its easy-to-use design and precise directional capabilities, it is a great choice for smartphone-based recordings for both professionals and hobbyists.